Peter Killian Gallagher is an American actor, musician and writer. Since 1980, Gallagher has played roles in numerous Hollywood films. He starred as Sandy Cohen in the television drama series The O.C. from 2003 to 2007.
Known For
Credits
Cast Credits
Reboot (2022)
Guest starring as Tyler Griffin
- Episode 1x08: Who's the Boss? (Oct 25, 2022) [Special Guest Star]
Zoey's Extraordinary Playlist (2020)
Starring as Mitch Clarke
(12 episodes)
- Episode 1x12: Zoey's Extraordinary Dad (May 3, 2020)
- Episode 1x11: Zoey's Extraordinary Mother (Apr 26, 2020)
- Episode 1x10: Zoey's Extraordinary Outburst (Apr 19, 2020)
- Episode 1x09: Zoey's Extraordinary Silence (Apr 5, 2020)
- Episode 1x08: Zoey's Extraordinary Glitch (Mar 29, 2020)
- Episode 1x07: Zoey's Extraordinary Confession (Mar 22, 2020)
- Episode 1x06: Zoey's Extraordinary Night Out (Mar 15, 2020)
- Episode 1x05: Zoey's Extraordinary Failure (Mar 8, 2020)
- Episode 1x04: Zoey's Extraordinary Neighbor (Mar 1, 2020)
- Episode 1x03: Zoey's Extraordinary Boss (Feb 23, 2020)
- Episode 1x02: Zoey's Extraordinary Best Friend (Feb 16, 2020)
- Episode 1x01: Zoey's Extraordinary Power (Jan 7, 2020)
Guest starring as Mitch Clarke
(4 episodes)
- Episode S02 Special: Zoey's Extraordinary Christmas (Dec 1, 2021) [Special Guest Star]
- Episode 2x13: Zoey's Extraordinary Goodbye (May 16, 2021) [Special Guest Star]
- Episode 2x12: Zoey's Extraordinary Session (May 9, 2021) [Special Guest Star]
- Episode 2x01: Zoey's Extraordinary Return (Jan 5, 2021) [Special Guest Star]
Truth Be Told (2019)
Guest starring as Andrew Finney
(5 episodes)
- Episode 3x08: Darkness Declares the Glory Light (Mar 10, 2023)
- Episode 3x05: Freedom Is Never Given; It Is Won (Feb 17, 2023)
- Episode 3x04: Never Take Your Eyes Off Her (Feb 10, 2023)
- Episode 3x02: Her, Armed With Sorrow Sore (Jan 27, 2023)
- Episode 3x01: Unto the Sweet Bird’s Throat (Jan 20, 2023)
The Kelly Clarkson Show (2019)
Guest starring as Peter Gallagher
- Episode 1x93: Peter Gallagher, Lily Aldridge (Feb 10, 2020)
The Conners (2018)
Guest starring as Brian Foster
- Episode 1x09: Rage Against the Machine (Jan 8, 2019)
The Gifted (2017)
Guest starring as Benedict Ryan
(9 episodes)
- Episode 2x16: oMens (Feb 26, 2019)
- Episode 2x15: Monsters (Feb 19, 2019)
- Episode 2x14: calaMity (Feb 12, 2019)
- Episode 2x13: teMpted (Jan 22, 2019) [Uncredited]
- Episode 2x11: meMento (Jan 8, 2019)
- Episode 2x10: eneMy of My eneMy (Jan 1, 2019) [Uncredited]
- Episode 2x09: gaMe changer (Dec 4, 2018) [Uncredited]
- Episode 2x07: no Mercy (Nov 13, 2018)
- Episode 2x05: afterMath (Oct 30, 2018) [Uncredited]
Grace and Frankie (2015)
Guest starring as Nick Skolka
(20 episodes)
- Episode 7x04: The Circumcision (Aug 13, 2021)
- Episode 7x02: The Arraignment (Aug 13, 2021)
- Episode 6x13: The Change (Jan 15, 2020)
- Episode 6x12: The Tank (Jan 15, 2020)
- Episode 6x08: The Short Rib (Jan 15, 2020)
- Episode 6x05: The Confessions (Jan 15, 2020)
- Episode 6x03: The Trophy Wife (Jan 15, 2020)
- Episode 6x02: The Rescue (Jan 15, 2020)
- Episode 6x01: The Newlyweds (Jan 15, 2020)
- Episode 5x12: The Wedding (Jan 18, 2019)
- Episode 5x11: The Video (Jan 18, 2019)
- Episode 5x08: The Ceremony (Jan 18, 2019)
- Episode 5x07: The Tremor (Jan 18, 2019)
- Episode 5x05: The Pharmacy (Jan 18, 2019)
- Episode 4x13: The Home (Jan 19, 2018)
- Episode 4x09: The Knee (Jan 19, 2018)
- Episode 4x07: The Landline (Jan 19, 2018)
- Episode 4x04: The Expiration Date (Jan 19, 2018)
- Episode 3x13: The Sign (Mar 24, 2017)
- Episode 3x11: The Other Vibrator (Mar 24, 2017)
Togetherness (2015)
Guest starring as Larry
(4 episodes)
- Episode 2x05: Just the Range (Mar 20, 2016)
- Episode 2x04: Changetown (Mar 13, 2016)
- Episode 2x02: Everybody is Grownups (Feb 28, 2016)
- Episode 2x01: Hotels (Feb 21, 2016)
Whitney (2011)
Guest starring as Vince Cummings
(3 episodes)
- Episode 2x10: Breaking Dad (Feb 20, 2013)
- Episode 1x22: Something Black, Something Blue (Mar 28, 2012)
- Episode 1x10: Christmas is Cummings (Dec 8, 2011) [Special Guest Star]
New Girl (2011)
Guest starring as Gavin
(4 episodes)
- Episode 6x07: Last Thanksgiving (Nov 22, 2016)
- Episode 5x22: Landing Gear (May 10, 2016)
- Episode 5x20: Return to Sender (May 3, 2016)
- Episode 5x12: D-Day (Mar 22, 2016)
The Talk (2010)
Guest starring as Peter Gallagher
- Episode 2020-03-13: Peter Gallagher, J.R. Ramirez, Rumer Willis, Taye Diggs guest co-hosts (Mar 13, 2020)
Covert Affairs (2010)
Starring as Arthur Campbell
(56 episodes)
- Episode 5x16: Gold Soundz (Dec 18, 2014)
- Episode 5x15: Frontwards (Dec 11, 2014)
- Episode 5x14: Transport Is Arranged (Dec 4, 2014)
- Episode 5x13: She Believes (Nov 20, 2014)
- Episode 5x12: Starlings of the Slipstream (Nov 13, 2014)
- Episode 5x11: Trigger Cut (Nov 6, 2014)
- Episode 5x10: Sensitive Euro Man (Aug 26, 2014)
- Episode 5x09: Spit on a Stranger (Aug 19, 2014)
- Episode 5x08: Grounded (Aug 12, 2014)
- Episode 5x07: Brink of the Clouds (Aug 5, 2014)
- Episode 5x06: Embassy Row (Jul 29, 2014)
- Episode 5x05: Elevate Me Later (Jul 22, 2014)
- Episode 5x04: Silence Kit (Jul 15, 2014)
- Episode 5x03: Unseen Power of the Picket Fence (Jul 8, 2014)
- Episode 5x02: False Skorpion (Jul 1, 2014)
- Episode 5x01: Shady Lane (Jun 24, 2014)
- Episode 4x16: Trompe le Monde (Nov 21, 2013)
- Episode 4x15: There Goes My Gun (Nov 14, 2013)
- Episode 4x13: No. 13 Baby (Oct 31, 2013)
- Episode 4x11: Dead (Oct 17, 2013)
- Episode 4x10: Levitate Me (Sep 17, 2013)
- Episode 4x09: Hang Wire (Sep 10, 2013)
- Episode 4x08: I've Been Waiting for You (Sep 3, 2013)
- Episode 4x07: Crackity Jones (Aug 27, 2013)
- Episode 4x05: Here Comes Your Man (Aug 13, 2013)
- Episode 4x04: Rock A My Soul (Aug 6, 2013)
- Episode 4x03: Into the White (Jul 30, 2013)
- Episode 4x02: Dig for Fire (Jul 23, 2013)
- Episode 4x01: Vamos (Jul 16, 2013)
- Episode 3x16: Lady Stardust (Nov 20, 2012)
- Episode 3x15: Quicksand (Nov 13, 2012)
- Episode 3x14: Scary Monsters (and Super Creeps) (Nov 6, 2012)
- Episode 3x13: Man in the Middle (Oct 30, 2012)
- Episode 3x12: Wishful Beginnings (Oct 23, 2012)
- Episode 3x11: Rock 'n' Roll Suicide (Oct 16, 2012)
- Episode 3x10: Let's Dance (Sep 18, 2012)
- Episode 3x09: Suffragette City (Sep 11, 2012)
- Episode 3x08: Glass Spider (Sep 4, 2012)
- Episode 3x07: Loving the Alien (Aug 28, 2012)
- Episode 3x06: Hello Stranger (Aug 21, 2012)
- Episode 3x05: This Is Not America (Aug 14, 2012)
- Episode 3x04: Speed of Life (Jul 31, 2012)
- Episode 3x03: The Last Thing You Should Do (Jul 24, 2012)
- Episode 3x02: Sound and Vision (Jul 17, 2012)
- Episode 3x01: Hang On to Yourself (Jul 10, 2012)
- Episode 2x16: Letter Never Sent (Dec 6, 2011)
- Episode 2x15: What's the Frequency, Kenneth? (Nov 29, 2011)
- Episode 2x14: Horse to Water (Nov 22, 2011)
- Episode 2x12: Uberlin (Nov 8, 2011)
- Episode 2x10: World Leader Pretend (Aug 9, 2011)
- Episode 2x09: Sad Professor (Aug 2, 2011)
- Episode 2x08: Welcome to the Occupation (Jul 26, 2011)
- Episode 2x05: Around the Sun (Jul 5, 2011)
- Episode 2x04: All the Right Friends (Jun 28, 2011)
- Episode 2x03: Bang and Blame (Jun 21, 2011)
- Episode 2x01: Begin the Begin (Jun 7, 2011)
Guest starring as Arthur Campbell
(8 episodes)
- Episode 1x11: When the Levee Breaks (Sep 14, 2010) [Special Guest Star]
- Episode 1x10: I Can't Quit You Baby (Sep 14, 2010) [Special Guest Star]
- Episode 1x09: Fool in the Rain (Sep 7, 2010) [Special Guest Star]
- Episode 1x08: What Is and What Should Never Be (Aug 31, 2010) [Special Guest Star]
- Episode 1x05: In the Light (Aug 10, 2010) [Special Guest Star]
- Episode 1x04: No Quarter (Aug 3, 2010) [Special Guest Star]
- Episode 1x02: Walter's Walk (Jul 20, 2010) [Special Guest Star]
- Episode 1x01: Pilot (Jul 13, 2010) [Special Guest Star]
Californication (2007)
Guest starring as Dean Stacy Koons
(8 episodes)
- Episode 3x11: Comings & Goings (Dec 6, 2009)
- Episode 3x09: Mr. Bad Example (Nov 22, 2009)
- Episode 3x08: The Apartment (Nov 15, 2009)
- Episode 3x07: So Here's the Thing... (Nov 8, 2009)
- Episode 3x06: Glass Houses (Nov 1, 2009)
- Episode 3x03: Verities & Balderdash (Oct 11, 2009)
- Episode 3x02: The Land of Rape and Honey (Oct 4, 2009)
- Episode 3x01: Wish You Were Here (Sep 27, 2009)
How I Met Your Mother (2005)
Guest starring as Professor Vinick
- Episode 8x11: The Final Page (1) (Dec 17, 2012)
Grey's Anatomy (2005)
Guest starring as Dr. David Hamilton
(9 episodes)
- Episode 18x15: Put It to the Test (Apr 7, 2022)
- Episode 18x13: Put the Squeeze on Me (Mar 24, 2022)
- Episode 18x11: Legacy (Mar 10, 2022)
- Episode 18x09: No Time to Die (Feb 24, 2022)
- Episode 18x08: It Came Upon a Midnight Clear (Dec 16, 2021)
- Episode 18x07: Today Was a Fairytale (Dec 9, 2021)
- Episode 18x05: Bottle Up and Explode! (Nov 11, 2021)
- Episode 18x02: Some Kind of Tomorrow (Oct 7, 2021)
- Episode 18x01: Here Comes the Sun (Sep 30, 2021)
The Late Late Show with Craig Ferguson (2005)
Guest starring as Peter Gallagher
- Episode 2005-02-03: Laila Ali, Peter Gallagher, LeAnn Rimes (Feb 3, 2005)
The O.C. (2003)
Starring as Sanford "Sandy" Cohen
(92 episodes)
- Episode 4x16: The End's Not Near, It's Here (Feb 22, 2007)
- Episode 4x15: The Night Moves (Feb 15, 2007)
- Episode 4x14: The Shake Up (Feb 8, 2007)
- Episode 4x13: The Case of the Franks (Feb 1, 2007)
- Episode 4x12: The Groundhog Day (Jan 25, 2007)
- Episode 4x11: The Dream Lover (Jan 18, 2007)
- Episode 4x10: The French Connection (Jan 11, 2007)
- Episode 4x09: The My Two Dads (Jan 4, 2007)
- Episode 4x08: The Earth Girls Are Easy (Dec 21, 2006)
- Episode 4x07: The Chrismukk-huh? (Dec 14, 2006)
- Episode 4x06: The Summer Bummer (Dec 7, 2006)
- Episode 4x05: The Sleeping Beauty (Nov 30, 2006)
- Episode 4x04: The Metamorphosis (Nov 16, 2006)
- Episode 4x03: The Cold Turkey (Nov 9, 2006)
- Episode 4x02: The Gringos (Nov 8, 2006)
- Episode 4x01: The Avengers (Nov 2, 2006)
- Episode 3x25: The Graduates (May 18, 2006)
- Episode 3x24: The Man of the Year (May 4, 2006)
- Episode 3x23: The Party Favor (Apr 27, 2006)
- Episode 3x22: The College Try (Apr 20, 2006)
- Episode 3x21: The Dawn Patrol (Apr 13, 2006)
- Episode 3x20: The Day After Tomorrow (Apr 6, 2006)
- Episode 3x19: The Secrets and Lies (Mar 30, 2006)
- Episode 3x18: The Undertow (Mar 23, 2006)
- Episode 3x17: The Journey (Mar 16, 2006)
- Episode 3x16: The Road Warrior (Mar 9, 2006)
- Episode 3x15: The Heavy Lifting (Feb 9, 2006)
- Episode 3x14: The Cliffhanger (Feb 2, 2006)
- Episode 3x13: The Pot Stirrer (Jan 26, 2006)
- Episode 3x12: The Sister Act (Jan 19, 2006)
- Episode 3x11: The Safe Harbor (Jan 12, 2006)
- Episode 3x10: The Chrismukkah Bar Mitz-vahkkah (Dec 15, 2005)
- Episode 3x09: The Disconnect (Dec 8, 2005)
- Episode 3x08: The Game Plan (Dec 1, 2005)
- Episode 3x07: The Anger Management (Nov 17, 2005)
- Episode 3x06: The Swells (Nov 10, 2005)
- Episode 3x05: The Perfect Storm (Nov 3, 2005)
- Episode 3x04: The Last Waltz (Sep 29, 2005)
- Episode 3x03: The End of Innocence (Sep 22, 2005)
- Episode 3x02: The Shape of Things to Come (Sep 15, 2005)
- Episode 3x01: The Aftermath (Sep 8, 2005)
- Episode 2x24: The Dearly Beloved (May 19, 2005)
- Episode 2x23: The O.Sea (May 12, 2005)
- Episode 2x22: The Showdown (May 5, 2005)
- Episode 2x21: The Return of the Nana (May 5, 2005)
- Episode 2x20: The O.C. Confidential (Apr 21, 2005)
- Episode 2x19: The Rager (Apr 14, 2005)
- Episode 2x18: The Risky Business (Apr 7, 2005)
- Episode 2x17: The Brothers Grim (Mar 24, 2005)
- Episode 2x16: The Blaze of Glory (Mar 17, 2005)
- Episode 2x15: The Mallpisode (Mar 10, 2005)
- Episode 2x14: The Rainy Day Women (Feb 24, 2005)
- Episode 2x13: The Test (Feb 17, 2005)
- Episode 2x12: The Lonely Hearts Club (Feb 10, 2005)
- Episode 2x11: The Second Chance (Feb 3, 2005)
- Episode 2x10: The Accomplice (Jan 27, 2005)
- Episode 2x09: The Ex-Factor (Jan 20, 2005)
- Episode 2x08: The Power of Love (Jan 13, 2005)
- Episode 2x07: The Family Ties (Jan 6, 2005)
- Episode 2x06: The Chrismukkah That Almost Wasn't (Dec 16, 2004)
- Episode 2x05: The SnO.C. (Dec 9, 2004)
- Episode 2x04: The New Era (Dec 2, 2004)
- Episode 2x03: The New Kids on the Block (Nov 18, 2004)
- Episode 2x02: The Way We Were (Nov 11, 2004)
- Episode 2x01: The Distance (Nov 4, 2004)
- Episode 1x27: The Ties That Bind (May 5, 2004)
- Episode 1x26: The Strip (Apr 28, 2004)
- Episode 1x25: The Shower (Apr 21, 2004)
- Episode 1x24: The Proposal (Apr 14, 2004)
- Episode 1x23: The Nana (Mar 31, 2004)
- Episode 1x22: The L.A. (Mar 24, 2004)
- Episode 1x21: The Goodbye Girl (Mar 3, 2004)
- Episode 1x20: The Telenovela (Feb 25, 2004)
- Episode 1x19: The Heartbreak (Feb 18, 2004)
- Episode 1x18: The Truth (Feb 11, 2004)
- Episode 1x17: The Rivals (Jan 21, 2004)
- Episode 1x16: The Links (Jan 14, 2004)
- Episode 1x15: The Third Wheel (Jan 7, 2004)
- Episode 1x14: The Countdown (Dec 17, 2003)
- Episode 1x13: The Best Chrismukkah Ever (Dec 3, 2003)
- Episode 1x12: The Secret (Nov 26, 2003)
- Episode 1x11: The Homecoming (Nov 19, 2003)
- Episode 1x10: The Perfect Couple (Nov 12, 2003)
- Episode 1x09: The Heights (Nov 5, 2003)
- Episode 1x08: The Rescue (Oct 29, 2003)
- Episode 1x07: The Escape (Sep 16, 2003)
- Episode 1x06: The Girlfriend (Sep 9, 2003)
- Episode 1x05: The Outsider (Sep 2, 2003)
- Episode 1x04: The Debut (Aug 26, 2003)
- Episode 1x03: The Gamble (Aug 19, 2003)
- Episode 1x02: The Model Home (Aug 12, 2003)
- Episode 1x01: Pilot (Aug 5, 2003)
Law & Order: Special Victims Unit (1999)
Guest starring as Deputy Chief William Dodds
(20 episodes)
- Episode 21x01: I'm Going to Make You a Star (Sep 26, 2019)
- Episode 20x23: Assumptions (May 9, 2019)
- Episode 20x18: Blackout (Mar 21, 2019)
- Episode 19x11: Flight Risk (Jan 17, 2018)
- Episode 19x09: Gone Baby Gone (Jan 3, 2018)
- Episode S18 Special: Unstoppable ()
- Episode 18x21: Sanctuary (May 24, 2017)
- Episode 18x20: American Dream (May 24, 2017)
- Episode 18x16: The Newsroom (Apr 26, 2017)
- Episode 18x01: Terrorized (Sep 21, 2016)
- Episode 17x23: Heartfelt Passages (May 25, 2016)
- Episode 17x18: Unholiest Alliance (Mar 23, 2016)
- Episode 17x16: Star-Struck Victims (Feb 24, 2016)
- Episode 17x15: Collateral Damages (Feb 17, 2016)
- Episode 17x06: Maternal Instincts (Oct 21, 2015)
- Episode 17x04: Institutional Fail (Oct 7, 2015)
- Episode 16x10: Forgiving Rollins (Jan 7, 2015)
- Episode 16x09: Pattern Seventeen (Dec 10, 2014)
- Episode 16x05: Pornstar's Requiem (Oct 22, 2014)
- Episode 16x04: Holden's Manifesto (Oct 15, 2014)
Superman: The Animated Series (1996)
Guest starring as Kurt
- Episode 3x01: Where There's Smoke (Sep 19, 1998) [Co-Star]
The Daily Show with Craig Kilborn (1996)
Guest starring as Peter Gallagher
- Episode 1998-09-08: Peter Gallagher (Sep 8, 1998)
The Late Show with David Letterman (1993)
Guest starring as Peter Gallagher
(2 episodes)
- Episode 1996-10-10: Geena Davis, Peter Gallagher, Andy Kindler (Oct 10, 1996)
- Episode 1995-04-25: Peter Gallagher, Tony Randall, Collective Soul (Apr 25, 1995)