Born in Barrington Illinois and raised in Boulder, Colorado, Brian Dietzen, a talented singer and dancer, began his acting career on stage. He won his first screen role in his mid-twenties, appearing in the short-lived comedy My Guide to Becoming a Rock Star and an episode of the popular series Boston Public
Known For
Credits
Cast Credits
NCIS: Hawaiʻi (2021)
Guest starring as Dr. Jimmy Palmer
(2 episodes)
- Episode 2x10: Deep Fake (Jan 9, 2023) [Special Guest Star]
- Episode 2x01: Prisoner's Dilemma (Sep 19, 2022) [Special Guest Star]
NCIS: New Orleans (2014)
Guest starring as Jimmy Palmer
- Episode 2x12: Sister City, Part II (Jan 5, 2016) [Special Guest Star]
NCIS (2003)
Starring as Assistant Medical Examiner Dr. Jimmy Palmer
(251 episodes)
- Episode 22x20: Nexus (May 5, 2025)
- Episode 22x19: Irreconcilable Differences (Apr 28, 2025)
- Episode 22x18: After the Storm (Apr 21, 2025)
- Episode 22x17: Killer Instinct (Apr 14, 2025)
- Episode 22x16: Ladies' Night (Mar 31, 2025)
- Episode 22x15: Moonlit (Mar 24, 2025)
- Episode 22x14: Close to Home (Mar 3, 2025)
- Episode 22x13: Bad Blood (Feb 24, 2025)
- Episode 22x12: Fun and Games (Feb 10, 2025)
- Episode 22x11: For Better or Worse (Feb 3, 2025)
- Episode 22x10: Baker's Man (Jan 27, 2025)
- Episode 22x09: Humbug (Dec 16, 2024)
- Episode 22x08: Out of Control (Dec 9, 2024)
- Episode 22x07: Hardboiled (Dec 2, 2024)
- Episode 22x06: Knight and Day (Nov 25, 2024)
- Episode 22x05: In from the Cold (Nov 11, 2024)
- Episode 22x04: Sticks & Stones (Nov 4, 2024)
- Episode 22x03: The Trouble with Hal (Oct 28, 2024)
- Episode 22x02: Foreign Bodies (Oct 21, 2024)
- Episode 22x01: Empty Nest (Oct 14, 2024)
- Episode 21x10: Reef Madness (May 6, 2024)
- Episode 21x09: Prime Cut (Apr 29, 2024)
- Episode 21x08: Heartless (Apr 22, 2024)
- Episode 21x07: A Thousand Yards (Apr 15, 2024)
- Episode 21x06: Strange Invaders (Apr 1, 2024)
- Episode 21x05: The Plan (Mar 25, 2024)
- Episode 21x04: Left Unsaid (Mar 4, 2024)
- Episode 21x03: Lifeline (Feb 26, 2024)
- Episode 21x02: The Stories We Leave Behind (Feb 19, 2024)
- Episode 21x01: Algún Día (Feb 12, 2024)
- Episode 20x22: Black Sky (May 22, 2023)
- Episode 20x21: Kompromat (May 15, 2023)
- Episode 20x20: Second Opinion (May 8, 2023)
- Episode 20x19: In the Spotlight (May 1, 2023)
- Episode 20x18: Head Games (Apr 10, 2023)
- Episode 20x17: Stranger in a Strange Land (Mar 20, 2023)
- Episode 20x16: Butterfly Effect (Mar 13, 2023)
- Episode 20x15: Unusual Suspects (Feb 27, 2023)
- Episode 20x14: Old Wounds (Feb 13, 2023)
- Episode 20x13: Evil Eye (Feb 6, 2023)
- Episode 20x12: Big Rig (Jan 23, 2023)
- Episode 20x11: Bridges (Jan 16, 2023)
- Episode 20x10: Too Many Cooks (Jan 9, 2023)
- Episode 20x09: Higher Education (Dec 5, 2022)
- Episode 20x08: Turkey Trot (Nov 21, 2022)
- Episode 20x07: Love Lost (Nov 14, 2022)
- Episode 20x06: The Good Fighter (Oct 24, 2022)
- Episode 20x05: Guardian (Oct 17, 2022)
- Episode 20x04: Leave No Trace (Oct 10, 2022)
- Episode 20x03: Unearth (Oct 3, 2022)
- Episode 20x02: Daddy Issues (Sep 26, 2022)
- Episode 20x01: A Family Matter (Sep 19, 2022)
- Episode 19x21: Birds of a Feather (May 23, 2022)
- Episode 19x20: All or Nothing (May 16, 2022)
- Episode 19x19: The Brat Pack (May 2, 2022)
- Episode 19x18: Last Dance (Apr 18, 2022)
- Episode 19x17: Starting Over (Mar 28, 2022)
- Episode 19x16: The Wake (Mar 21, 2022)
- Episode 19x15: Thick as Thieves (Mar 14, 2022)
- Episode 19x14: First Steps (Mar 7, 2022)
- Episode 19x13: The Helpers (Feb 28, 2022)
- Episode 19x12: Fight or Flight (Jan 24, 2022)
- Episode 19x11: All Hands (Jan 17, 2022)
- Episode 19x10: Pledge of Allegiance (Jan 3, 2022)
- Episode 19x09: Collective Memory (Dec 6, 2021)
- Episode 19x08: Peacekeeper (Nov 29, 2021)
- Episode 19x07: Docked (Nov 8, 2021)
- Episode 19x06: False Start (Nov 1, 2021)
- Episode 19x05: Face the Strange (Oct 18, 2021)
- Episode 19x04: Great Wide Open (Oct 11, 2021)
- Episode 19x03: Road to Nowhere (Oct 4, 2021)
- Episode 19x02: Nearly Departed (Sep 27, 2021)
- Episode 19x01: Blood in the Water (Sep 20, 2021)
- Episode 18x16: Rule 91 (May 25, 2021)
- Episode 18x15: Blown Away (May 18, 2021)
- Episode 18x14: Unseen Improvements (May 11, 2021)
- Episode 18x13: Misconduct (May 4, 2021)
- Episode 18x12: Sangre (Apr 27, 2021)
- Episode 18x11: Gut Punch (Apr 6, 2021)
- Episode 18x10: Watchdog (Mar 16, 2021)
- Episode 18x09: Winter Chill (Mar 9, 2021)
- Episode 18x08: True Believer (Mar 2, 2021)
- Episode 18x07: The First Day (Feb 9, 2021)
- Episode 18x06: 1mm (Jan 26, 2021)
- Episode 18x05: Head of the Snake (Jan 19, 2021)
- Episode 18x04: Sunburn (Jan 19, 2021)
- Episode 18x03: Blood and Treasure (Dec 8, 2020)
- Episode 18x02: Everything Starts Somewhere (Nov 24, 2020)
- Episode 18x01: Sturgeon Season (Nov 17, 2020)
- Episode 17x20: The Arizona (Apr 14, 2020)
- Episode 17x19: Blarney (Mar 31, 2020)
- Episode 17x18: Schooled (Mar 24, 2020)
- Episode 17x17: In a Nutshell (Mar 10, 2020)
- Episode 17x16: Ephemera (Feb 18, 2020)
- Episode 17x15: Lonely Hearts (Feb 11, 2020)
- Episode 17x14: On Fire (Jan 28, 2020)
- Episode 17x13: Sound Off (Jan 21, 2020)
- Episode 17x12: Flight Plan (Jan 14, 2020)
- Episode 17x11: In the Wind (Jan 7, 2020)
- Episode 17x10: The North Pole (Dec 17, 2019)
- Episode 17x09: IRL (Nov 26, 2019)
- Episode 17x08: Musical Chairs (Nov 19, 2019)
- Episode 17x07: No Vacancy (Nov 12, 2019)
- Episode 17x06: Institutionalized (Nov 5, 2019)
- Episode 17x05: Wide Awake (Oct 22, 2019)
- Episode 17x04: Someone Else's Shoes (Oct 15, 2019)
- Episode 17x03: Going Mobile (Oct 8, 2019)
- Episode 17x02: Into the Light (Oct 1, 2019)
- Episode 17x01: Out of the Darkness (Sep 24, 2019)
- Episode 16x24: Daughters (May 21, 2019)
- Episode 16x23: Lost Time (May 14, 2019)
- Episode 16x22: ...and Executioner (May 7, 2019)
- Episode 16x21: Judge, Jury… (Apr 30, 2019)
- Episode 16x20: Hail & Farewell (Apr 16, 2019)
- Episode 16x19: Perennial (Apr 9, 2019)
- Episode 16x18: Mona Lisa (Apr 2, 2019)
- Episode 16x17: Silent Service (Mar 26, 2019)
- Episode 16x16: Bears and Cubs (Mar 12, 2019)
- Episode 16x15: Crossing the Line (Feb 26, 2019)
- Episode 16x14: Once Upon a Tim (Feb 19, 2019)
- Episode 16x13: She (Feb 12, 2019)
- Episode 16x12: The Last Link (Jan 15, 2019)
- Episode 16x11: Toil and Trouble (Jan 8, 2019)
- Episode 16x10: What Child Is This? (Dec 11, 2018)
- Episode 16x09: Tailing Angie (Dec 4, 2018)
- Episode 16x08: Friendly Fire (Nov 20, 2018)
- Episode 16x07: A Thousand Words (Nov 13, 2018)
- Episode 16x06: Beneath the Surface (Oct 30, 2018)
- Episode 16x05: Fragments (Oct 23, 2018)
- Episode 16x04: Third Wheel (Oct 16, 2018)
- Episode 16x03: Boom (Oct 9, 2018)
- Episode 16x02: Love Thy Neighbor (Oct 2, 2018)
- Episode 16x01: Destiny's Child (Sep 25, 2018)
- Episode 15x24: Date with Destiny (May 22, 2018)
- Episode 15x23: Fallout (May 15, 2018)
- Episode 15x22: Two Steps Back (May 8, 2018)
- Episode 15x21: One Step Forward (May 1, 2018)
- Episode 15x20: Sight Unseen (Apr 17, 2018)
- Episode 15x19: The Numerical Limit (Apr 3, 2018)
- Episode 15x18: Death from Above (Mar 27, 2018)
- Episode 15x17: One Man's Trash (Mar 13, 2018)
- Episode 15x16: Handle with Care (Mar 6, 2018)
- Episode 15x15: Keep Your Enemies Closer (Feb 27, 2018)
- Episode 15x14: Keep Your Friends Close (Feb 6, 2018)
- Episode 15x13: Family Ties (Jan 23, 2018)
- Episode 15x12: Dark Secrets (Jan 9, 2018)
- Episode 15x10: Double Down (Dec 12, 2017)
- Episode 15x09: Ready or Not (Nov 21, 2017)
- Episode 15x08: Voices (Nov 14, 2017)
- Episode 15x07: Burden of Proof (Nov 7, 2017)
- Episode 15x06: Trapped (Oct 31, 2017)
- Episode 15x05: Fake It 'Til You Make It (Oct 24, 2017)
- Episode 15x04: Skeleton Crew (Oct 17, 2017)
- Episode 15x03: Exit Strategy (Oct 10, 2017)
- Episode 15x02: Twofer (Oct 3, 2017)
- Episode 15x01: House Divided (Sep 26, 2017)
- Episode 14x24: Rendezvous (May 16, 2017)
- Episode 14x23: Something Blue (May 9, 2017)
- Episode 14x21: One Book, Two Covers (Apr 18, 2017)
- Episode 14x20: A Bowl of Cherries (Apr 4, 2017)
- Episode 14x17: What Lies Above (Mar 7, 2017)
- Episode 14x14: Nonstop (Feb 7, 2017)
- Episode 14x13: Keep Going (Jan 24, 2017)
- Episode 14x10: The Tie That Binds (Dec 13, 2016)
- Episode 14x09: Pay to Play (Dec 6, 2016)
- Episode 14x07: Home of the Brave (Nov 15, 2016)
- Episode 14x05: Philly (Oct 18, 2016)
- Episode 14x04: Love Boat (Oct 11, 2016)
- Episode 14x03: Privileged Information (Oct 4, 2016)
- Episode 14x02: Being Bad (Sep 27, 2016)
- Episode 14x01: Rogue (Sep 20, 2016)
- Episode 13x24: Family First (May 17, 2016)
- Episode 13x23: Dead Letter (May 10, 2016)
- Episode 13x19: Reasonable Doubts (Mar 22, 2016)
- Episode 13x18: Scope (Mar 15, 2016)
- Episode 13x17: After Hours (Mar 1, 2016)
- Episode 13x13: Déjà Vu (Jan 19, 2016)
- Episode 13x12: Sister City (Part I) (Jan 5, 2016)
- Episode 13x11: Spinning Wheel (Dec 15, 2015)
- Episode 13x10: Blood Brothers (Nov 24, 2015)
- Episode 13x09: Day in Court (Nov 17, 2015)
- Episode 13x08: Saviors (Nov 10, 2015)
- Episode 13x07: 16 Years (Nov 3, 2015)
- Episode 13x05: Lockdown (Oct 20, 2015)
- Episode 13x01: Stop the Bleeding (Sep 22, 2015)
- Episode 12x24: Neverland (May 12, 2015)
- Episode 12x23: The Lost Boys (May 5, 2015)
- Episode 12x22: Troll (Apr 28, 2015)
- Episode 12x21: Lost in Translation (Apr 14, 2015)
- Episode 12x20: No Good Deed (Apr 7, 2015)
- Episode 12x19: Patience (Mar 31, 2015)
- Episode 12x18: Status Update (Mar 24, 2015)
- Episode 12x17: The Artful Dodger (Mar 10, 2015)
- Episode 12x16: Blast from the Past (Feb 24, 2015)
- Episode 12x15: Cabin Fever (Feb 17, 2015)
- Episode 12x14: Cadence (Feb 10, 2015)
- Episode 12x13: We Build, We Fight (Feb 3, 2015)
- Episode 12x12: The Enemy Within (Jan 13, 2015)
- Episode 12x11: Check (Jan 6, 2015)
- Episode 12x10: House Rules (Dec 16, 2014)
- Episode 12x09: Grounded (Nov 25, 2014)
- Episode 12x08: Semper Fortis (Nov 18, 2014)
- Episode 12x07: The Searchers (Nov 11, 2014)
- Episode 12x06: Parental Guidance Suggested (Oct 28, 2014)
- Episode 12x05: The San Dominick (Oct 21, 2014)
- Episode 12x04: Choke Hold (Oct 14, 2014)
- Episode 12x03: So It Goes (Oct 7, 2014)
- Episode 12x02: Kill the Messenger (Sep 30, 2014)
- Episode 12x01: Twenty Klicks (Sep 23, 2014)
- Episode 11x24: Honor Thy Father (May 13, 2014)
- Episode 11x23: The Admiral's Daughter (May 6, 2014)
- Episode 11x21: Alleged (Apr 15, 2014)
- Episode 11x20: Page Not Found (Apr 8, 2014)
- Episode 11x19: Crescent City (Part II) (Apr 1, 2014)
- Episode 11x18: Crescent City (Part I) (Mar 25, 2014)
- Episode 11x17: Rock and a Hard Place (Mar 18, 2014)
- Episode 11x16: Dressed to Kill (Mar 4, 2014)
- Episode 11x15: Bulletproof (Feb 25, 2014)
- Episode 11x14: Monsters and Men (Feb 4, 2014)
- Episode 11x13: Double Back (Jan 14, 2014)
- Episode 11x12: Kill Chain (Jan 7, 2014)
- Episode 11x11: Homesick (Dec 17, 2013)
- Episode 11x10: Devil's Triad (Dec 10, 2013)
- Episode 11x09: Gut Check (Nov 19, 2013)
- Episode 11x08: Alibi (Nov 12, 2013)
- Episode 11x07: Better Angels (Nov 5, 2013)
- Episode 11x06: Oil & Water (Oct 29, 2013)
- Episode 11x05: Once a Crook (Oct 22, 2013)
- Episode 11x04: Anonymous Was a Woman (Oct 15, 2013)
- Episode 11x03: Under the Radar (Oct 8, 2013)
- Episode 11x02: Past, Present, and Future (Oct 1, 2013)
- Episode 11x01: Whiskey Tango Foxtrot (Sep 24, 2013)
- Episode 10x24: Damned If You Do (May 14, 2013)
- Episode 10x23: Double Blind (May 7, 2013)
- Episode 10x22: Revenge (Apr 30, 2013)
- Episode 10x21: Berlin (Apr 23, 2013)
- Episode 10x20: Chasing Ghosts (Apr 9, 2013)
- Episode 10x19: Squall (Mar 26, 2013)
- Episode 10x16: Detour (Feb 26, 2013)
- Episode 10x14: Canary (Feb 5, 2013)
- Episode 10x12: Shiva (Jan 15, 2013)
- Episode 10x10: You Better Watch Out (Dec 18, 2012)
- Episode 10x09: Devil's Trifecta (Dec 11, 2012)
- Episode 10x08: Gone (Nov 27, 2012)
- Episode 10x07: Shell Shock (Part II) (Nov 20, 2012)
- Episode 10x06: Shell Shock (Part I) (Nov 13, 2012)
- Episode 10x05: The Namesake (Oct 30, 2012)
- Episode 10x04: Lost at Sea (Oct 23, 2012)
- Episode 10x03: Phoenix (Oct 9, 2012)
- Episode 10x02: Recovery (Oct 2, 2012)
- Episode 10x01: Extreme Prejudice (Sep 25, 2012)
Guest starring as Assistant Medical Examiner Dr. Jimmy Palmer
(65 episodes)
- Episode 9x14: Life Before His Eyes (Feb 7, 2012)
- Episode 9x13: A Desperate Man (Jan 10, 2012)
- Episode 5x19: Judgment Day Part II (May 20, 2008)
- Episode 5x18: Judgment Day Part I (May 20, 2008)
- Episode 5x17: About Face (May 13, 2008)
- Episode 5x16: Recoil (May 6, 2008)
- Episode 5x13: Dog Tags (Apr 15, 2008)
- Episode 5x12: Stakeout (Apr 8, 2008)
- Episode 5x11: Tribes (Jan 15, 2008)
- Episode 5x09: Lost and Found (Nov 20, 2007)
- Episode 5x05: Leap of Faith (Oct 23, 2007)
- Episode 5x04: Identity Crisis (Oct 16, 2007)
- Episode 5x01: Bury Your Dead (Sep 25, 2007)
- Episode 4x24: Angel of Death (May 22, 2007)
- Episode 4x22: In the Dark (May 1, 2007)
- Episode 4x17: Skeletons (Feb 27, 2007)
- Episode 4x16: Dead Man Walking (Feb 20, 2007)
- Episode 4x15: Friends and Lovers (Feb 13, 2007)
- Episode 4x13: Sharif Returns (Jan 23, 2007)
- Episode 4x11: Driven (Dec 12, 2006)
- Episode 4x10: Smoked (Nov 28, 2006)
- Episode 4x08: Once a Hero (Nov 14, 2006)
- Episode 4x06: Witch Hunt (Oct 31, 2006)
- Episode 4x05: Dead and Unburied (Oct 17, 2006)
- Episode 4x02: Escaped (Sep 26, 2006)
- Episode 4x01: Shalom (Sep 19, 2006)
- Episode 3x24: Hiatus (Part II) (May 16, 2006)
- Episode 3x23: Hiatus (Part I) (May 9, 2006)
- Episode 3x22: Jeopardy (May 2, 2006)
- Episode 3x21: Bloodbath (Apr 25, 2006)
- Episode 3x20: Untouchable (Apr 18, 2006)
- Episode 3x19: Iced (Apr 4, 2006)
- Episode 3x17: Ravenous (Mar 7, 2006)
- Episode 3x16: Family Secret (Feb 28, 2006)
- Episode 3x15: Head Case (Feb 7, 2006)
- Episode 3x14: Light Sleeper (Jan 24, 2006)
- Episode 3x11: Model Behavior (Dec 13, 2005)
- Episode 3x10: Probie (Nov 29, 2005)
- Episode 3x09: Frame-Up (Nov 22, 2005)
- Episode 3x08: Under Covers (Nov 8, 2005)
- Episode 3x06: The Voyeur's Web (Oct 25, 2005)
- Episode 3x05: Switch (Oct 18, 2005)
- Episode 3x04: Silver War (Oct 11, 2005)
- Episode 2x23: Twilight (May 24, 2005)
- Episode 2x22: SWAK (May 10, 2005)
- Episode 2x21: Hometown Hero (May 3, 2005)
- Episode 2x20: Red Cell (Apr 26, 2005)
- Episode 2x19: Conspiracy Theory (Apr 12, 2005)
- Episode 2x18: Bikini Wax (Mar 29, 2005)
- Episode 2x17: An Eye for an Eye (Mar 22, 2005)
- Episode 2x16: Pop Life (Mar 1, 2005)
- Episode 2x15: Caught on Tape (Feb 22, 2005)
- Episode 2x14: Witness (Feb 15, 2005)
- Episode 2x13: The Meat Puzzle (Feb 8, 2005)
- Episode 2x11: Blackwater (Jan 11, 2005)
- Episode 2x09: Forced Entry (Dec 7, 2004)
- Episode 2x08: Heart Break (Nov 30, 2004)
- Episode 2x06: Terminal Leave (Nov 16, 2004)
- Episode 2x05: The Bone Yard (Oct 26, 2004)
- Episode 2x04: Lt. Jane Doe (Oct 19, 2004)
- Episode 2x02: The Good Wives Club (Oct 5, 2004)
- Episode 2x01: See No Evil (Sep 28, 2004)
- Episode 1x23: Reveille (May 25, 2004)
- Episode 1x22: A Weak Link (May 18, 2004)
- Episode 1x21: Split Decision (May 11, 2004)
Crew Credits
NCIS (2003)
Episode crew as Writer
(3 episodes)
- Episode 21x02: The Stories We Leave Behind (Feb 19, 2024)
- Episode 20x14: Old Wounds (Feb 13, 2023)
- Episode 19x13: The Helpers (Feb 28, 2022)