John Billingsley (born May 20, 1960) is an American actor, known for his role as Doctor Phlox on the television series Star Trek: Enterprise. John Billingsley was born in Media, Pennsylvania, and subsequently lived in Huntsville, Alabama and Slidell, Louisiana before his family settled in Weston, Connecticut. Billingsley is married to fellow actor Bonita Friedericy. She first became interested in him after seeing him perform in a stage production of Great Expectations. Friedericy appeared with Billingsley in "Regeneration", a 2003 episode of Star Trek: Enterprise in which she played Rooney. The couple of have subsequently appeared in other productions together.

Filmography

• 2026Degree of Certainty — Mr. Williams
• 2025Anaconda — Jerry
• Grotesquerie — Dr. John Lehman
• Manhunt — Judge Joseph Holt
• Matlock — Robert Walton
• 2024Skincare — Jeff
• Based on a True Story — Wendy Jenkins' Boss
• 2023Boy Makes Girl — Chunky
• 2023The Shift — Russo
• 2022Emily the Criminal — Office Manager
• Pam & Tommy — Bruce Hendricks
• NCIS: Hawaiʻi — Professor Staggs
• NEXT — Dr. Bernard Weiss
• 2020Unbelievable!!!!! — Male Curlisha
• All Rise — Timothy Gipson
• 2019The Circuit
• Unbelievable — Judge Brent Gordon
• Homecoming — Buddy
• Station 19 — Lloyd
• The Conners — Mr. Swindell
• The Resident — Dr. Stewart
• The Rookie — Kevin Scott
• The Good Doctor — Kurt
• 2017The Last Word — Father Reilly
• 2017The Man from Earth: Holocene — Harry
• The Orville — Cambis Borrin
• 201620th Century Women — Abbie's ObGyn
• Lucifer — Alvin Kapitski
• 2016Madtown — Lloyd Zane Miller
• 2016The Watcher — Dr. Klein
• This Is Us — Bill Weston
• Con Man — Gordon
• Man Seeking Woman — Watson
• Rosewood — West Waters
• Stitchers — Mitchell Blair
• Chasing Life — Edwin Shaw
• Extant — Dr.Mize
• Intelligence — Dr. William Crispin
• 2014Star Trek: Enterprise - In a Mirror, Darkly — Dr. Phlox
• 2014Star Trek: Enterprise - Storm Front — Dr. Phlox
• Masters of Sex — Dr. Lloyd Madden
• 2013Red Line — Sam
• 2013Star Trek: Enterprise - In Conversation: The First Crew
• 2013Star Trek: Enterprise - Shockwave — Dr. Phlox
• The Bridge — Mr. DeLarge
• 2012The Silent Thief — Bum
• 2012Trade of Innocents — Malcolm Eddery
• Harry's Law — Norman Miller
• Revenge — Roger Halsted
• Shameless — Dr. Drew
• 2011Sironia — Doug
• Suits — Stan Jacobson
• 2011The Least of These — Father Alfred McKavee
• Hawaii Five-0 — Eugene Goodman
• Nikita — Heidecker
• Scooby-Doo! Mystery Incorporated — Dr. Henklefust (voice)
• 20092012 — Professor West
• Castle — Harvey Larson
• NCIS: Los Angeles — Doug Ouellet
• The Good Wife — Dean Randolph
• 2009The Pool Boys — Prof. James Kellogg
• 2008AM1200 — Jonah Henry
• 2008Community — Phil
• Eli Stone — Daniel Foote
• Fear Itself — Phil
• Leverage — Coswell
• 2008S.I.S. — Ira Grossman
• 2008The Last Word — Brady
• The Mentalist — Ellis Mars
• True Blood — Mike Spencer
• Journeyman
• 2007Ripple Effect — Brad
• 2007The Man from Earth — Harry
• Women's Murder Club
• 2006Dead and Deader — Langdon
• 2006Room 6 — Harrison McKendrick
• The Nine — Egan Foote
• Bones — Dr. Edward Harkness
• Criminal Minds — Hugh Rollins
• Ghost Whisperer — Mike
• Grey's Anatomy — Jacob Nolston
• Prison Break — Terrence Steadman
• 2005The 12 Dogs of Christmas — Dogcatcher Doyle
• The Closer — Tom Newman
• 2004A Cinderella Story — Mr. Rothman
• CSI: NY — Cecil Arthur
• Cold Case — George Marks (2005)
• 2003Lessons for an Assassin — Mr. Jensen
• NCIS — Jackson Scott
• Nip/Tuck — Ben White
• 2003Out of Time — Chae
• 2002High Crimes — Lie Detector Coach
• 2002White Oleander — Paramedic
• Without a Trace — Harry
• 24 — Michael Latham
• 2001Breathing Hard — Hammond
• 2001Crocodile Dundee in Los Angeles — Barry
• 2001Just Ask My Children — Andrew Gindes
• Scrubs — Alan
• Six Feet Under — Boring Man
• Star Trek: Enterprise — Phlox
• 2001The Glass House — Driving Instructor
• 2000Blood on the Backlot — John Waddington
• CSI: Crime Scene Investigation — Paul Cydon
• FreakyLinks
• Gilmore Girls — Mr. Remmy
• The Huntress
• The Others — Prof. Miles Ballard
• Angel — Dr. Royce
• 1999Countdown: The Sky's on Fire — Dr. Andrew Pike
• Family Law — Edward Duke
• Jack & Jill — Barto's Doctor
• 1999Jimmy Zip — Irate Driver
• Judging Amy — Bebe's Attorney
• 1999Kate's Addiction — FBI Agent #1
• Roswell
• The West Wing — Dr. John Fallow
• Time of Your Life
• 1998Eden — Lee
• Felicity — Delivery Guy
• L.A. Doctors — Mr. Snow
• Martial Law — Inspector Hotchkiss
• Significant Others
• Beyond Belief: Fact or Fiction — Simms (segment "The Wall")
• 1997Eat Your Heart Out — Technician
• Stargate SG-1 — Simon Coombs
• The Practice — Robert Schmidt
• Arli$$ — Headmaster, Emo Daniel
• Profiler — Clifford
• The Pretender — Kenny, Kenny (archive footage)
• Touched by an Angel — Peter Garfield
• Diagnosis: Murder — Eddie Dagabosian
• The X-Files — Timothy 'Timmy the Geek' Landau
• 1992Adventures in Spying — Officer Jenkins
• Northern Exposure — Patient
• 1990Shredder Orpheus — Linus
• Twin Peaks — Doctor Ben
• Flint — Sulphur John
• Milliseconds

Appearances as themselves (10)

• Star Trek: Legenden — Self - Doktor Phlox
• The D-Con Chamber — Self
• The Shuttlepod Show — Self
• Star Trek Day — Self
• 201650 Years of Star Trek — Self
• 2016Trekoff: The Motion Picture — Himself
• 2014Before Her Time: Decommissioning Enterprise — Self
• 2013Star Trek: Enterprise - Uncharted Territory — Self
• 2004Star Trek's Favorite Moments — Self
• 2004Trekkies 2 — Himself