John Billingsley is an American actor, born on May 20, 1960, in Media, Pennsylvania, and raised in Weston, Connecticut. He graduated from Bennington College with a theatre degree and moved to Seattle, where he co-founded Book-It Repertory Theatre and acted in or directed more than 50 productions. He also taught drama. After building a prolific career as a television character actor, Billingsley achieved international recognition as the eccentric Denobulan physician Dr. Phlox in Star Trek: Enterprise, appearing in 98 episodes. His television credits include The Others, 24, The Nine, True Blood, Intelligence, Stitchers, The Orville, Pam & Tommy, Manhunt, Matlock and Grotesquerie. His films include High Crimes, Out of Time, The Man from Earth, 2012, Emily the Criminal, The Shift, Skincare and Anaconda. In 2026, he joined the miniseries The Murder of JonBenét Ramsey as Bill McReynolds.
Known For
Credits
Cast Credits
Grotesquerie (2024)
Guest starring as Dr. John Lehman
(2 episodes)
- Episode 1x10: I Think I'm Dead (Oct 30, 2024)
- Episode 1x07: Unplugged (Oct 16, 2024)
Manhunt (2024)
Guest starring as Edward Bates
(3 episodes)
- Episode 1x07: The Final Act (Apr 19, 2024)
- Episode 1x06: Useless (Apr 12, 2024)
- Episode 1x03: Let the Sheep Flee (Mar 22, 2024)
Based on a True Story (2023)
Guest starring as Wendy Jenkins's Boss
- Episode 2x04: Y'all Ready for This? (Nov 21, 2024)
NCIS: Hawaiʻi (2021)
Guest starring as Professor Woodrow Staggs
- Episode 2x01: Prisoner's Dilemma (Sep 19, 2022)
All Rise (2019)
Guest starring as Dr. Timothy Gipson
- Episode 1x12: What the Constitution Greens to Me (Jan 6, 2020)
The Resident (2018)
Guest starring as Dr. Brian Stewart
- Episode 2x20: If Not Now, When? (Apr 15, 2019)
Rosewood (2015)
Guest starring as Judge West Waters
- Episode 1x22: Badges and Bombshells (May 25, 2016)
Stitchers (2015)
Guest starring as Mitchell Blair
(5 episodes)
- Episode 3x01: Out of the Shadows (Jun 5, 2017)
- Episode 2x10: All In (May 24, 2016)
- Episode 2x09: The Guest (May 17, 2016)
- Episode 2x03: The One That Got Away (Apr 5, 2016)
- Episode 2x02: Hack Me If You Can (Mar 29, 2016)
The Whispers (2015)
Guest starring as Ron Harcourt
(2 episodes)
- Episode 1x13: Game Over (Aug 31, 2015)
- Episode 1x08: A Hollow Man (Jul 20, 2015)
TURN: Washington's Spies (2014)
Guest starring as Samuel Townsend
(4 episodes)
- Episode 3x05: Hypocrisy, Fraud and Tyranny (May 23, 2016)
- Episode 3x02: Cold Murdering Bastards (May 2, 2016)
- Episode 2x09: The Prodigal (Jun 1, 2015)
- Episode 2x05: Sealed Fate (May 4, 2015)
Intelligence (2014)
Starring as Dr. Shenendoah Cassidy
(11 episodes)
- Episode 1x13: Being Human (Mar 31, 2014)
- Episode 1x12: The Event Horizon (Mar 24, 2014)
- Episode 1x11: The Grey Hat (Mar 17, 2014)
- Episode 1x10: Cain and Gabriel (Mar 10, 2014)
- Episode 1x09: Athens (Mar 3, 2014)
- Episode 1x07: Size Matters (Feb 17, 2014)
- Episode 1x06: Patient Zero (Feb 10, 2014)
- Episode 1x04: Secrets of the Secret Service (Jan 27, 2014)
- Episode 1x03: Mei Chen Returns (Jan 20, 2014)
- Episode 1x02: Red X (Jan 13, 2014)
- Episode 1x01: Pilot (Jan 7, 2014)
Masters of Sex (2013)
Guest starring as Dr. Lloyd Madden
(4 episodes)
- Episode 4x02: Inventory (Sep 18, 2016)
- Episode 2x10: Below the Belt (Sep 14, 2014)
- Episode 2x09: Story of My Life (Sep 7, 2014)
- Episode 2x08: Mirror, Mirror (Aug 31, 2014)
Suits (2011)
Guest starring as Stan Jacobson
(2 episodes)
- Episode 4x07: We're Done (Jul 30, 2014)
- Episode 1x10: The Shelf Life (Aug 25, 2011)
Nikita (2010)
Guest starring as Hiedecker
(2 episodes)
- Episode 3x16: Tipping Point (Apr 5, 2013)
- Episode 3x10: Brave New World (Feb 8, 2013)
Scooby-Doo! Mystery Incorporated (2010)
Guest starring as Dr. Henklefust
- Episode 2x03: The Night the Clown Cried II - Tears of Doom! (Aug 1, 2012)
True Blood (2008)
Guest starring as Mike Spencer
(17 episodes)
- Episode 5x10: Gone, Gone, Gone (Aug 12, 2012)
- Episode 5x07: In the Beginning (Jul 22, 2012)
- Episode 5x05: Let's Boot and Rally (Jul 8, 2012)
- Episode 3x03: It Hurts Me Too (Jun 27, 2010)
- Episode 2x12: Beyond Here Lies Nothin' (Sep 13, 2009)
- Episode 2x11: Frenzy (Aug 30, 2009)
- Episode 2x10: New World in My View (Aug 23, 2009)
- Episode 2x09: I Will Rise Up (Aug 16, 2009)
- Episode 2x08: Timebomb (Aug 9, 2009)
- Episode 2x06: Hard-Hearted Hannah (Jul 26, 2009)
- Episode 2x04: Shake and Fingerpop (Jul 12, 2009)
- Episode 2x03: Scratches (Jun 28, 2009)
- Episode 2x01: Nothing But the Blood (Jun 14, 2009)
- Episode 1x08: The Fourth Man in the Fire (Oct 26, 2008)
- Episode 1x06: Cold Ground (Oct 12, 2008)
- Episode 1x04: Escape from Dragon House (Sep 28, 2008)
- Episode 1x02: The First Taste (Sep 14, 2008)
90210 (2008)
Guest starring as Mr. Phillips
(2 episodes)
- Episode 3x22: To the Future! (May 16, 2011)
- Episode 3x21: The Prom Before the Storm (May 9, 2011)
The Nine (2006)
Starring as Egan Foote
(13 episodes)
- Episode 1x13: Confessions (Aug 19, 2009)
- Episode 1x12: Legacy (Aug 12, 2009)
- Episode 1x11: Man of the Year (Aug 5, 2009)
- Episode 1x10: The Inside Man (Jul 29, 2009)
- Episode 1x09: You're Being Watched (Aug 8, 2007)
- Episode 1x08: Turning Point (Aug 1, 2007)
- Episode 1x07: Outsiders (Nov 22, 2006)
- Episode 1x06: Take Me Instead (Nov 8, 2006)
- Episode 1x05: All About Eva (Nov 1, 2006)
- Episode 1x04: Brother's Keeper (Oct 25, 2006)
- Episode 1x03: What's Your Emergency? (Oct 18, 2006)
- Episode 1x02: Heroes Welcome (Oct 11, 2006)
- Episode 1x01: Pilot (Oct 4, 2006)
Bones (2005)
Guest starring as Dr. Edward Harkness
- Episode 10x05: The Corpse at the Convention (Oct 30, 2014)
Prison Break (2005)
Guest starring as Terrance Steadman
(3 episodes)
- Episode 1x22: Flight (May 15, 2006)
- Episode 1x19: The Key (Apr 24, 2006)
- Episode 1x16: Brother's Keeper (Apr 3, 2006)
Grey's Anatomy (2005)
Guest starring as Jacob Nolston
(2 episodes)
- Episode 4x10: Crash Into Me, Part 2 (Dec 6, 2007)
- Episode 4x09: Crash Into Me, Part 1 (Nov 22, 2007)
Cold Case (2003)
Guest starring as George (2005)
(2 episodes)
- Episode 2x23: The Woods (May 22, 2005)
- Episode 2x09: Mind Hunters (Nov 28, 2004)
24 (2001)
Guest starring as Michael Latham
(3 episodes)
- Episode 7x07: Day 7: 2:00 P.M. - 3:00 P.M. (Feb 2, 2009)
- Episode 7x02: Day 7: 9:00 A.M. - 10:00 A.M. (Jan 11, 2009)
- Episode 7x01: Day 7: 8:00 A.M. - 9:00 A.M. (Jan 11, 2009)
Star Trek: Enterprise (2001)
Starring as Dr. Phlox
(98 episodes)
- Episode 4x22: These Are the Voyages... (May 13, 2005)
- Episode 4x21: Terra Prime (2) (May 13, 2005)
- Episode 4x20: Demons (1) (May 6, 2005)
- Episode 4x19: In a Mirror, Darkly (2) (Apr 29, 2005)
- Episode 4x18: In a Mirror, Darkly (1) (Apr 22, 2005)
- Episode 4x17: Bound (Apr 15, 2005)
- Episode 4x16: Divergence (2) (Feb 25, 2005)
- Episode 4x15: Affliction (1) (Feb 18, 2005)
- Episode 4x14: The Aenar (3) (Feb 11, 2005)
- Episode 4x13: United (2) (Feb 4, 2005)
- Episode 4x12: Babel One (1) (Jan 28, 2005)
- Episode 4x11: Observer Effect (Jan 21, 2005)
- Episode 4x10: Daedalus (Jan 14, 2005)
- Episode 4x09: Kir'Shara (3) (Dec 3, 2004)
- Episode 4x08: Awakening (2) (Nov 26, 2004)
- Episode 4x07: The Forge (1) (Nov 19, 2004)
- Episode 4x06: The Augments (3) (Nov 12, 2004)
- Episode 4x05: Cold Station 12 (2) (Nov 5, 2004)
- Episode 4x04: Borderland (1) (Oct 29, 2004)
- Episode 4x03: Home (Oct 22, 2004)
- Episode 4x02: Storm Front (2) (Oct 15, 2004)
- Episode 4x01: Storm Front (1) (Oct 8, 2004)
- Episode 3x24: Zero Hour (May 26, 2004)
- Episode 3x23: Countdown (May 19, 2004)
- Episode 3x22: The Council (May 12, 2004)
- Episode 3x21: E² (May 5, 2004)
- Episode 3x20: The Forgotten (Apr 28, 2004)
- Episode 3x19: Damage (Apr 21, 2004)
- Episode 3x18: Azati Prime (Mar 3, 2004)
- Episode 3x17: Hatchery (Feb 25, 2004)
- Episode 3x16: Doctor's Orders (Feb 18, 2004)
- Episode 3x15: Harbinger (Feb 11, 2004)
- Episode 3x14: Stratagem (Feb 4, 2004)
- Episode 3x13: Proving Ground (Jan 21, 2004)
- Episode 3x12: Chosen Realm (Jan 14, 2004)
- Episode 3x11: Carpenter Street (Nov 26, 2003)
- Episode 3x10: Similitude (Nov 19, 2003)
- Episode 3x09: North Star (Nov 12, 2003)
- Episode 3x08: Twilight (Nov 5, 2003)
- Episode 3x07: The Shipment (Oct 29, 2003)
- Episode 3x06: Exile (Oct 15, 2003)
- Episode 3x05: Impulse (Oct 8, 2003)
- Episode 3x04: Rajiin (Oct 1, 2003)
- Episode 3x03: Extinction (Sep 24, 2003)
- Episode 3x02: Anomaly (Sep 17, 2003)
- Episode 3x01: The Xindi (Sep 10, 2003)
- Episode 2x26: The Expanse (May 21, 2003)
- Episode 2x25: Bounty (May 14, 2003)
- Episode 2x24: First Flight (May 14, 2003)
- Episode 2x23: Regeneration (May 7, 2003)
- Episode 2x22: Cogenitor (Apr 30, 2003)
- Episode 2x21: The Breach (Apr 23, 2003)
- Episode 2x20: Horizon (Apr 16, 2003)
- Episode 2x19: Judgment (Apr 9, 2003)
- Episode 2x18: The Crossing (Apr 2, 2003)
- Episode 2x17: Canamar (Feb 26, 2003)
- Episode 2x16: Future Tense (Feb 19, 2003)
- Episode 2x15: Cease Fire (Feb 12, 2003)
- Episode 2x14: Stigma (Feb 5, 2003)
- Episode 2x13: Dawn (Jan 8, 2003)
- Episode 2x12: The Catwalk (Dec 18, 2002)
- Episode 2x11: Precious Cargo (Dec 11, 2002)
- Episode 2x10: Vanishing Point (Nov 27, 2002)
- Episode 2x09: Singularity (Nov 20, 2002)
- Episode 2x08: The Communicator (Nov 13, 2002)
- Episode 2x07: The Seventh (Nov 6, 2002)
- Episode 2x06: Marauders (Oct 30, 2002)
- Episode 2x05: A Night in Sickbay (Oct 16, 2002)
- Episode 2x04: Dead Stop (Oct 9, 2002)
- Episode 2x03: Minefield (Oct 2, 2002)
- Episode 2x02: Carbon Creek (Sep 25, 2002)
- Episode 2x01: Shockwave (2) (Sep 18, 2002)
- Episode 1x26: Shockwave (1) (May 22, 2002)
- Episode 1x25: Two Days and Two Nights (May 15, 2002)
- Episode 1x24: Desert Crossing (May 8, 2002)
- Episode 1x23: Fallen Hero (May 8, 2002)
- Episode 1x22: Vox Sola (May 1, 2002)
- Episode 1x21: Detained (Apr 24, 2002)
- Episode 1x20: Oasis (Apr 3, 2002)
- Episode 1x19: Acquisition (Mar 27, 2002)
- Episode 1x18: Rogue Planet (Mar 20, 2002)
- Episode 1x17: Fusion (Feb 27, 2002)
- Episode 1x16: Shuttlepod One (Feb 13, 2002)
- Episode 1x15: Shadows of P'Jem (Feb 6, 2002)
- Episode 1x14: Sleeping Dogs (Jan 30, 2002)
- Episode 1x13: Dear Doctor (Jan 23, 2002)
- Episode 1x12: Silent Enemy (Jan 16, 2002)
- Episode 1x11: Cold Front (Nov 28, 2001)
- Episode 1x10: Fortunate Son (Nov 21, 2001)
- Episode 1x09: Civilization (Nov 14, 2001)
- Episode 1x08: Breaking the Ice (Nov 7, 2001)
- Episode 1x07: The Andorian Incident (Oct 31, 2001)
- Episode 1x06: Terra Nova (Oct 24, 2001)
- Episode 1x05: Unexpected (Oct 17, 2001)
- Episode 1x04: Strange New World (Oct 10, 2001)
- Episode 1x03: Fight or Flight (Oct 3, 2001)
- Episode 1x02: Broken Bow (Sep 26, 2001)
- Episode 1x01: Broken Bow (Sep 26, 2001)
CSI: Crime Scene Investigation (2000)
Guest starring as Paul Cyden
- Episode 8x04: The Case of the Cross-Dressing Carp (Oct 18, 2007)
The West Wing (1999)
Guest starring as Dr. John Fallow
- Episode 2x16: Somebody's Going to Emergency, Somebody's Going to Jail (Feb 28, 2001)
Judging Amy (1999)
Guest starring as Bebe's Attorney
- Episode 1x22: Not with a Whimper (May 16, 2000)
The Practice (1997)
Guest starring as Revenue Officer Robert Schmitt
- Episode 2x19: The Trial (Feb 9, 1998)
Nash Bridges (1996)
Guest starring as Mitchell Holdsclaw
- Episode 5x03: Smash & Grab (Oct 8, 1999) [Uncredited]
The X-Files (1993)
Guest starring as Timothy "Timmy the Geek" Landau
- Episode 6x20: Three of a Kind (May 2, 1999)
Northern Exposure (1990)
Guest starring as Patient
- Episode 3x21: It Happened in Juneau (May 4, 1992)