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.
2025Signed, Sealed, Delivered: To The Moon And Back as Joe O'Toole
2024Signed, Sealed, Delivered: A Tale of Three Letters as Joe O'Toole
2022Jimmy and Carolyn as Unknown
2021The Nine Kittens of Christmas as Chief Sam
2021Signed, Sealed, Delivered: The Vows We Have Made as Joe O’Toole
2021Sweet Carolina as Pete
2020The Vanished as Dr. Bradley
2019Love, Fall & Order as Hank Hart
2018Signed, Sealed, Delivered: To the Altar as Joe O'Toole
20189-1-1 (6 Episodes) as Phillip Buckley
2017Signed, Sealed, Delivered: Home Again as Joe O'Toole
2017Fair Haven as Doctor Gallagher
2017Signed, Sealed, Delivered: Higher Ground as Joe O’Toole
2016My Christmas Love as Tom Baker
2016American Housewife (2 Episodes) as Dan
2016Signed, Sealed, Delivered: Lost Without You as Joe O’Toole
2016Chesapeake Shores (15 Episodes) as Thomas O'Brien
2016Signed, Sealed, Delivered: One in a Million as Joe O'Toole
2015Signed, Sealed, Delivered: Truth Be Told as Joe O'Toole
2015Cloudy with a Chance of Love as Grant
2014The Nine Lives of Christmas as Chief Sam
2014Reckless (13 Episodes) as Dec Fortnum
2014The M Word as Unknown
2013After All These Years as David
2012Undercover Bridesmaid as Mr. Thompson
2011Ringer (1 Episode) as Unknown
2011Body of Proof (1 Episode) as Dr. Cameron Fischer
2010Rizzoli & Isles (6 Episodes) as Ron Hanson
2010Hot in Cleveland (1 Episode) as Dave
2009The Middle (1 Episode) as Bennett Brooks
2009Drop Dead Diva (1 Episode) as Brandon Tharpe
2009Maneater (2 Episodes) as Teddy Alpert
2009Love n' Dancing as Unknown
2009Au Pair 3: Adventure in Paradise as Oliver Caldwell
2009Castle (1 Episode) as Danny Valentine
2009Give 'em Hell, Malone as Whitmore
2008Not Quite Hollywood as Self
2006Psych (1 Episode) as Ted Lomax
2005Reunion (4 Episodes) as Unknown
2004Joey (5 Episodes) as Dean
2003One Tree Hill (12 Episodes) as Paul Norris
2003NCIS (1 Episode) as Roland Ebbakey
2003Hollywood's Magical Island: Catalina as Unknown
2003Miracles (1 Episode) as Unknown
2001Au Pair II as Oliver Caldwell
2000First Target as President Jonathan Hayes
2000Ed (5 Episodes) as Nick Stanton
2000Strong Medicine (4 Episodes) as Dr. Randolf Kilner
1999Law & Order: Special Victims Unit (1 Episode) as Nathan Speer
1999Safe Harbor (10 Episodes) as John Loring
1999Judging Amy (4 Episodes) as Tom Gillette
1999Au Pair as Oliver Caldwell
1999First Daughter as President Jonathan Hayes
1999Murder at 75 Birch as Rick Todson
1998Air Bud: Golden Receiver as Dr. Patrick Sullivan
1998Running Wild as Matt Robinson
1997When Secrets Kill as Unknown
1996Dark Skies (19 Episodes) as Old John Loengard
1996Summer of Fear as Mr. Marshall
1996It's My Party as Brandon Theis
1995Hard Evidence as Trent Turner
1995Nothing Lasts Forever (2 Episodes) as Dr. Benjamin 'Ben' Wallace
1995Nothing Lasts Forever as Dr. Benjamin 'Ben' Wallace
1995New York News (13 Episodes) as Jack Reilly
1995500 Nations (8 Episodes) as Unknown
1995The Outer Limits (1 Episode) as Dr. Larry Chambers
1995A Dangerous Affair as Robert Kenzer
1994A Christmas Romance as Brian Harding
1994Mortal Fear as Philip Montgomery
1994Touched by an Angel (1, 1, 1 Episode) as Pete Taylor, Richard, Don Costello
1994Lies of the Heart: The Story of Laurie Kellogg as Bruce Kellogg
1993Sudden Fury as Tom Kelley
1993Caught in the Act as Scott McNally
1993Cadillac Girls as Sam
1992Body Chemistry II: Voice of a Stranger as Dan
1992Duplicates as Bob Boxletter
1992Breaking the Silence as Paul Danner
1992Split Images as Robbie Daniels
1991Bare Essentials as William 'Bill' Buzell owner of Luhana
1990Angel of Death as Gary Nicholson
1990The Family Man (22 Episodes) as Jack Taylor
1990Night of 100 Stars III as Self
1990Dangerous Pursuit as John
1988Red River as Cherry Valance
1988Hot Paint as Willie
1987North Shore as Chandler
1987Happy 100th Birthday, Hollywood as Self
1987The Nativity as Joseph (voice)
1986Fresno (5 Episodes) as Torch
1986Picnic as Hal Carter
1986Oceans of Fire as Ben Laforche
1986Pee-wee's Playhouse (13 Episodes) as Conky 2000 (voice) / Knucklehead (voice)
1985Seduced as Mike Riordan
1985Night of 100 Stars II as Self
1984Razorback as Carl Winters
1983The Hasty Heart as Sgt. Lachlen McLachlen
1983The Fighter as Merle Banks
1981Falcon Crest (22 Episodes) as Michael Sharpe
1981For Ladies Only as John Phillips
1980Enola Gay: The Men, the Mission, the Atomic Bomb as Capt. Bob Lewis
1980The Women's Room as Ben Volper
1980Kraft Salutes Disneyland's 25th Anniversary as Self
1979Trapper John, M.D. (151 Episodes) as George Alonzo 'Gonzo' Gates
1979The Best Place to Be as Rick Jawlosky
1978Centennial (12 Episodes) as Levi Zendt
1977The Gathering as Bud Jr.
1977Logan's Run (14 Episodes) as Logan
1977Fraternity Row as Zac
1976Battle of the Network Stars (4 Episodes) as Unknown
1975Jim, the World's Greatest as Jim Nolan
1975Trilogy of Terror as Arthur Moore
1973The Harrad Experiment as Student (uncredited)
1972M*A*S*H (1 Episode) as Lt. Tony Baker
1961The Mike Douglas Show (1 Episode) as Self - Co-Host
1994Touched by an Angel (1 Episode) ... Director
1979Trapper John, M.D. (5 Episodes) ... Director
1993The Tower ... Executive Producer
1986Pleasures ... Executive Producer
1984Samson and Delilah ... Executive Producer
1983Legs ... Executive Producer
1981For Ladies Only ... Producer