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Gregory Harrison
Actor, Director, ProducerBorn May 31, 1950 (74 years)
Gregory Neale Harrison is an American actor. He is known for his role as Chandler in the 1987 cult favorite North Shore and as Dr. George Alonzo "Gonzo" Gates, the young surgeon assistant of Dr. Trapper John MacIntyre on the CBS series Trapper John, M.D. (1979–86). Since 2015, he has played Joe O'Toole, father of Oliver, in the Hallmark Channel expansion films of Signed, Sealed and Delivered.
Movies & Shows on Plex
Known For
Filmography
| 2024 | Signed, Sealed, Delivered: A Tale of Three Letters · as Joe O'toole |
| 2023 | |
| 2021 | The Nine Kittens of Christmas · as Chief Sam |
| 2021 | Signed, Sealed, Delivered: The Vows We Have Made · as Joe O’toole |
| 2021 | Sweet Carolina · as Pete |
| 2020 | The Vanished · as Dr. Bradley |
| 2019 | Love, Fall & Order · as Hank Hart |
| 2018 | Signed, Sealed, Delivered: To the Altar · as Joe O'toole |
| 2018 | 9-1-1 (TV Series) · as Phillip Buckley |
| 2017 | Signed, Sealed, Delivered: Home Again · as Joe O'toole |
| 2017 | Signed, Sealed, Delivered: Higher Ground · as Joe O’toole |
| 2016 | My Christmas Love · as Tom Baker |
| 2016 | Fair Haven · as Doctor Gallagher |
| 2016 | American Housewife (TV Series) · as Dan |
| 2016 | Signed, Sealed, Delivered: Lost Without You · as Joe O’toole |
| 2016 | Chesapeake Shores (TV Series) · as Thomas O'brien |
| 2016 | Signed, Sealed, Delivered: One in a Million · as Joe O'toole |
| 2015 | Signed, Sealed, Delivered: Truth Be Told · as Joe O'toole |
| 2015 | Cloudy with a Chance of Love · as Grant |
| 2014 | The Nine Lives of Christmas · as Chief Sam |
| 2014 | Reckless (2014) (TV Series) · as Dec Fortnum |
| 2014 | |
| 2013 | After All These Years · as David |
| 2012 | Undercover Bridesmaid · as Mr. Thompson |
| 2011 | Ringer (TV Series) |
| 2011 | Body of Proof (TV Series) · as Dr. Cameron Fischer |
| 2010 | Rizzoli & Isles (TV Series) · as Ron Hanson |
| 2010 | Hot in Cleveland (TV Series) · as Dave |
| 2009 | The Middle (TV Series) · as Bennett Brooks |
| 2009 | Drop Dead Diva (TV Series) · as Brandon Tharpe |
| 2009 | Maneater (TV Series) · as Teddy Alpert |
| 2009 | |
| 2009 | Au Pair 3: Adventure in Paradise · as Oliver Caldwell |
| 2009 | Castle (2009) (TV Series) · as Danny Valentine |
| 2009 | Give 'em Hell Malone · as Whitmore |
| 2006 | Psych (TV Series) · as Ted Lomax |
| 2005 | Reunion (TV Series) |
| 2004 | Rodney (TV Series) · as Duke Lewis |
| 2004 | CSI: NY (TV Series) · as Roland Carson |
| 2004 | Joey (TV Series) · as Dean |
| 2004 | Jessica · as Brett |
| 2003 | One Tree Hill (TV Series) · as Paul Norris |
| 2003 | |
| 2003 | NCIS (TV Series) · as Roland Ebbakey |
| 2003 | Miracles (TV Series) |
| 2002 | First Shot · as President Jonathan Hayes |
| 2001 | Au Pair II · as Oliver Caldwell |
| 2000 | First Target · as President Jonathan Hayes |
| 2000 | Ed (TV Series) · as Nick Stanton |
| 2000 | Strong Medicine (TV Series) · as Dr. Randolf Kilner |
| 1999 | Safe Harbor (TV Series) · as John Loring |
| 1999 | Law & Order: Special Victims Unit (TV Series) · as Nathan Speer |
| 1999 | Judging Amy (TV Series) · as Tom Gillette |
| 1999 | Au Pair · as Oliver Caldwell |
| 1999 | First Daughter · as President Jonathan Hayes |
| 1998 | Murder at 75 Birch · as Rick Todson |
| 1998 | Maggie Winters (TV Series) · as Mr. Wiehe |
| 1998 | Air Bud: Golden Receiver · as Dr. Patrick Sullivan |
| 1998 | Running Wild · as Matt Robinson |
| 1997 | |
| 1997 | Dead Man's Gun (TV Series) · as Boucher |
| 1996 | Dark Skies (TV Series) · as Old John Loengard |
| 1996 | Summer of Fear · as Mr. Marshall |
| 1996 | It's My Party · as Brandon Theis |
| 1995 | Hard Evidence · as Trent Turner |
| 1995 | Nothing Lasts Forever · as Dr. Benjamin 'ben' Wallace |
| 1995 | Nothing Lasts Forever (TV Series) · as Dr. Benjamin 'ben' Wallace |
| 1995 | New York News (TV Series) · as Jack Reilly |
| 1995 | 500 Nations (TV Series) |
| 1995 | The Outer Limits (1995) (TV Series) · as Dr. Larry Chambers |
| 1995 | A Dangerous Affair · as Robert Kenzer |
| 1994 | A Christmas Romance · as Brian Harding |
| 1994 | Mortal Fear · as Philip Montgomery |
| 1994 | Touched by an Angel (TV Series) · as Pete Taylor |
| 1994 | Lies of the Heart: The Story of Laurie Kellogg · as Bruce Kellogg |
| 1993 | A Family Torn Apart · as Tom Kelley |
| 1993 | Caught in the Act · as Scott Mcnally |
| 1993 | Cadillac Girls · as Sam |
| 1992 | Duplicates · as Bob Boxletter |
| 1992 | Breaking the Silence · as Paul Danner |
| 1992 | Split Images · as Robbie Daniels |
| 1991 | |
| 1991 | |
| 1991 | Bare Essentials · as William 'bill' Buzell Owner Of Luhana |
| 1990 | True Detectives (TV Series) · as Host |
| 1990 | Angel of Death · as Gary Nicholson |
| 1990 | Dangerous Pursuit · as John |
| 1988 | Red River · as Cherry Valance |
| 1988 | Hot Paint · as Willie |
| 1987 | North Shore · as Chandler |
| 1986 | Fresno (TV Series) · as Torch |
| 1986 | Picnic · as Hal Carter |
| 1986 | Oceans of Fire · as Ben Laforche |
| 1986 | Pee-wee's Playhouse (TV Series) · as Conky 2000 (voice) / Knucklehead (voice) |
| 1985 | The Greatest Adventure: Stories from the Bible (TV Series) · as Joseph |
| 1985 | Seduced · as Mike Riordan |
| 1984 | Razorback · as Carl Winters |
| 1983 | The Hasty Heart · as Sgt. Lachlen Mclachlen |
| 1983 | Thicke of the Night (TV Series) · as Cast |
| 1983 | The Fighter · as Merle Banks |
| 1981 | For Ladies Only · as John Phillips |
| 1981 | Falcon Crest (TV Series) · as Michael Sharpe |
| 1980 | Enola Gay: The Men, the Mission, the Atomic Bomb · as Capt. Bob Lewis |
| 1980 | The Women's Room · as Ben Volper |
| 1979 | Trapper John, M.D. (TV Series) · as George Alonzo 'gonzo' Gates |
| 1979 | The Best Place to Be · as Rick Jawlosky |
| 1978 | Centennial (TV Series) · as Levi Zendt |
| 1977 | The Gathering · as Bud Jr. |
| 1977 | Logan's Run (TV Series) · as Logan |
| 1977 | Fraternity Row · as Zac |
| 1975 | The New Original Wonder Woman · as First Lieutenant - Army Medical Corps |
| 1975 | Jim, the World's Greatest · as Jim Nolan |
| 1975 | Trilogy of Terror · as Arthur Moore |
| 1973 | The Harrad Experiment · as Student (uncredited) |
| 1973 | Barnaby Jones (TV Series) · as Ritchie Ridder |
| 1972 | M*A*S*H (TV Series) · as Lt. Tony Baker |
| 1963 | General Hospital (TV Series) · as Gregory Chase |