★ 8 
Acting
Gregory Harrison
Gregory Harrison is best known for Law & Order: Special Victims Unit, 9-1-1, NCIS and Castle. Gregory Harrison was born on May 31, 1950. Gregory Harrison is 76 years old (born May 31, 1950).
- Born
- May 31, 1950 (76 years old)
- Place of birth
- Avalon, California, USA
Biography
Gregory Harrison was born on May 31, 1950 in Avalon, Catalina Island, California, USA. He is an actor and producer, known for Trapper John, M.D. (1979), Picnic (1986) and Razorback (1984). He has been married to Randi Oakes since May 3, 1981. They have four children.
Known for
Filmography
- 20189-1-1Phillip Buckley
- 2016Chesapeake ShoresThomas O'Brien
- 2016American HousewifeDan
- 2014RecklessDec Fortnum
- 2011RingerTim Arbogast
- 2011Body of ProofDr. Cameron Fischer
- 2010Rizzoli & IslesRon Hanson
- 2010Hot in ClevelandDave
- 2009Drop Dead DivaBrandon Tharpe
- 2009ManeaterTeddy Alpert
- 2009CastleDanny Valentine
- 2009The MiddleBennett Brooks
- 2006PsychTed Lomax
- 2005Reunion
- 2004JoeyDean
- 2003MiraclesSheriff Ed Prescott
- 2003One Tree HillPaul Norris
- 2003NCISRoland Ebbakey
- 2000EdNick Stanton
- 2000Strong MedicineDr. Randolf Kilner
- 1999Judging AmyTom Gillette
- 1999Law & Order: Special Victims UnitNathan Speer
- 1999Safe HarborJohn Loring
- 1996Dark SkiesOld John Loengard
- 1995500 Nations
- 1995New York NewsJack Reilly
- 1995The Outer LimitsDr. Larry Chambers
- 1995Nothing Lasts ForeverDr. Benjamin 'Ben' Wallace
- 1994Touched by an AngelPete Taylor
- 1990The Family ManJack Taylor
- 1986Pee-wee's PlayhouseConky 2000 (voice) / Knucklehead (voice)
- 1986FresnoTorch
- 1981Falcon CrestMichael Sharpe
- 1979Trapper John, M.D.Gonzo Gates
- 1978CentennialLevi Zendt
- 1977Logan's RunLogan
- 1976Battle of the Network Stars
- 1972M*A*S*HLt. Tony Baker
- 1961The Mike Douglas ShowSelf - Co-Host
Frequently asked questions
What movies and shows has Gregory Harrison been in?
Gregory Harrison is best known for Law & Order: Special Victims Unit, 9-1-1, NCIS and Castle.
When was Gregory Harrison born?
Gregory Harrison was born on May 31, 1950. (Avalon, California, USA)
How old is Gregory Harrison?
Gregory Harrison is 76 years old (born May 31, 1950).
Updated: October 29, 2026 ·