Cast & creator
John Billingsley
Best known for The Mentalist, Grey's Anatomy, CSI: Crime Scene Investigation
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.
Also known as: John A. Billingsley, جان بیلینگزلی
58
film credits
93
television credits
151
1990–2026 · acting roles
6.8
average across scored titles
Signature credits
Known for
Across film & television
Filmography (151)
Showing 151 of 151 credits
The Mentalist
Ellis Mars
2008
Grey's Anatomy
Jacob Nolston
2005
CSI: Crime Scene Investigation
Paul Cydon
2000
Criminal Minds
Hugh Rollins
2005
NCIS
Jackson Scott
2003
The Rookie
Kevin Scott
2018
Bones
Dr. Edward Harkness
2005
Shameless
Dr. Drew
2011
Castle
Harvey Larson
2009
Hawaii Five-0
Eugene Goodman
2010
NCIS: Los Angeles
Doug Ouellet
2009
24
Michael Latham
2001
The X-Files
Timothy 'Timmy the Geek' Landau
1993
Suits
Stan Jacobson
2011
Prison Break
Terrence Steadman
2005
The West Wing
Dr. John Fallow
1999
Stargate SG-1
Simon Coombs
1997
Lucifer
Alvin Kapitski
2016
Gilmore Girls
Mr. Remmy
2000
The Good Wife
Dean Randolph
2009
The Good Doctor
Kurt
2017
Scrubs
Alan
2001
Twin Peaks
Doctor Ben
1990
Diagnosis: Murder
Eddie Dagabosian
1993
This Is Us
Bill Weston
2016
The Closer
Tom Newman
2005
CSI: NY
Cecil Arthur
2004
Without a Trace
Harry
2002
Nip/Tuck
Ben White
2003
Ghost Whisperer
Mike
2005
The Practice
Robert Schmidt
1997
Star Trek: Enterprise
Phlox
2001
Cold Case
George Marks (2005)
2003
The Orville
Cambis Borrin
2017
The Resident
Dr. Stewart
2018
Touched by an Angel
Peter Garfield
1994
True Blood
Mike Spencer
2008
Angel
Dr. Royce
1999
Judging Amy
Bebe's Attorney
1999
Station 19
Lloyd
2018
Six Feet Under
Boring Man
2001
Revenge
Roger Halsted
2011
Scooby-Doo! Mystery Incorporated
Dr. Henklefust (voice)
2010
Northern Exposure
Patient
1990
Arli$$
Headmaster
1996Arli$$
Emo Daniel
1996
The Pretender
Kenny
1996The Pretender
Kenny (archive footage)
1996
Profiler
Clifford
1996
Matlock
Robert Walton
2024
All Rise
Timothy Gipson
2019
Beyond Belief: Fact or Fiction
Simms (segment "The Wall")
1997
Masters of Sex
Dr. Lloyd Madden
2013
Leverage
Coswell
2008
Roswell
1999
The Conners
Mr. Swindell
2018
Nikita
Heidecker
2010
Felicity
Delivery Guy
1998
Rosewood
West Waters
2015
Family Law
Edward Duke
1999
Martial Law
Inspector Hotchkiss
1998
NCIS: Hawaiʻi
Professor Staggs
2021
Harry's Law
Norman Miller
2011
Eli Stone
Daniel Foote
2008
Extant
Dr.Mize
2014
Jack & Jill
Barto's Doctor
1999
Stitchers
Mitchell Blair
2015
The Bridge
Mr. DeLarge
2013
L.A. Doctors
Mr. Snow
1998
Con Man
Gordon
2015
2012
Professor West
2009
Chasing Life
Edwin Shaw
2014
Man Seeking Woman
Watson
2015
Unbelievable
Judge Brent Gordon
2019
Based on a True Story
Wendy Jenkins' Boss
2023
Fear Itself
Phil
2008
A Cinderella Story
Mr. Rothman
2004
Homecoming
Buddy
2018
Grotesquerie
Dr. John Lehman
2024
Anaconda
Jerry
2025
The Huntress
2000
Manhunt
Judge Joseph Holt
2024
The Shuttlepod Show
Self
2022
The Nine
Egan Foote
2006
Journeyman
2007
Intelligence
Dr. William Crispin
2014
Pam & Tommy
Bruce Hendricks
2022
Women's Murder Club
2007
The D-Con Chamber
Self
2024
High Crimes
Lie Detector Coach
2002
Time of Your Life
1999
NEXT
Dr. Bernard Weiss
2020
20th Century Women
Abbie's ObGyn
2016
The Man from Earth
Harry
2007
FreakyLinks
2000
Out of Time
Chae
2003
The Glass House
Driving Instructor
2001
The Others
Prof. Miles Ballard
2000
Emily the Criminal
Office Manager
2022
Crocodile Dundee in Los Angeles
Barry
2001
White Oleander
Paramedic
2002
The Last Word
Father Reilly
2017
Significant Others
1998
The Man from Earth: Holocene
Harry
2017
Star Trek Day
Self
2020
The Shift
Russo
2023Star Trek: Legenden
Self - Doktor Phlox
2026
Skincare
Jeff
2024
Room 6
Harrison McKendrick
2006
50 Years of Star Trek
Self
2016
The Last Word
Brady
2008
AM1200
Jonah Henry
2008
Eat Your Heart Out
Technician
1997
Just Ask My Children
Andrew Gindes
2001
Red Line
Sam
2013
Star Trek: Enterprise - Storm Front
Dr. Phlox
2014
The 12 Dogs of Christmas
Dogcatcher Doyle
2005
Star Trek: Enterprise - In a Mirror, Darkly
Dr. Phlox
2014
Madtown
Lloyd Zane Miller
2016
Eden
Lee
1998
The Pool Boys
Prof. James Kellogg
2009
Degree of Certainty
Mr. Williams
2026
Dead and Deader
Langdon
2006
The Least of These
Father Alfred McKavee
2011
Star Trek: Enterprise - Shockwave
Dr. Phlox
2013
Unbelievable!!!!!
Male Curlisha
2020
The Watcher
Dr. Klein
2016
Jimmy Zip
Irate Driver
1999
Community
Phil
2008
Countdown: The Sky's on Fire
Dr. Andrew Pike
1999
Trade of Innocents
Malcolm Eddery
2012
Star Trek's Favorite Moments
Self
2004Star Trek: Enterprise - In Conversation: The First Crew
2013Before Her Time: Decommissioning Enterprise
Self
2014Star Trek: Enterprise - Uncharted Territory
Self
2013
Sironia
Doug
2011
S.I.S.
Ira Grossman
2008
Trekoff: The Motion Picture
Himself
2016
Kate's Addiction
FBI Agent #1
1999
Trekkies 2
Himself
2004
Ripple Effect
Brad
2007
Lessons for an Assassin
Mr. Jensen
2003
The Circuit
2019
The Silent Thief
Bum
2012
Boy Makes Girl
Chunky
2023Milliseconds
Breathing Hard
Hammond
2001Blood on the Backlot
John Waddington
2000
Adventures in Spying
Officer Jenkins
1992
Flint
Sulphur John
Shredder Orpheus
Linus
1990