Gregory Harrison
American actor · United States · On the map · Actors · Born 1950 · age 76
Gregory Neale Harrison is an American actor. He is known primarily for his roles as Dr. George Alonzo "Gonzo" Gates, the young surgeon assistant of Dr. Trapper John McIntyre on the CBS series Trapper John, M.D. (1979-86), and as ruthless business tycoon Michael Sharpe in the CBS series Falcon Crest (1989-1990).
Gregory Harrison is read about 1,274 times a day, in 21 languages.
A typical day, 30 days to 8 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 113 days, one point a day.
Something wrong?A life in dates
Signed, Sealed, Delivered: To the Moon and BackFilm, Joe O'Toole2021
Signed, Sealed, Delivered: The Vows We Have MadeFilm, Joe O’Toole2019
Love, Fall & OrderFilm, Hank Hart2018
9-1-1Series, Phillip Buckley2017
Fair HavenFilm, Doctor Gallagher2015
Cloudy with a Chance of LoveFilm, Grant2013
After All These YearsFilm, David2011
Body of ProofSeries, Dr. Cameron Fischer2010
Hot in ClevelandSeries, Dave2009
Au Pair 3: Adventure in ParadiseFilm, Oliver Caldwell2006
PsychSeries, Ted Lomax2003
NCISSeries, Roland Ebbakey2001
Au Pair IIFilm, Oliver Caldwell2000
EdSeries, Nick Stanton1999
Au PairFilm, Oliver Caldwell1996
It's My PartyFilm, Brandon Theis1995
The Outer LimitsSeries, Dr. Larry Chambers1993
Cadillac GirlsFilm, Sam1988
Red RiverFilm, Cherry Valance1984
RazorbackFilm, Carl Winters1981
Falcon CrestSeries, Michael Sharpe1979
Trapper John, M.D.Series, Director1973
The Harrad ExperimentFilm, Student (uncredited)1961
The Mike Douglas ShowSeries1950Born31 May 1950People around Gregory
Eric Mabius Also in Signed, Sealed, Delivered: Truth Be Told (2015)
Crystal Lowe Also in Signed, Sealed, Delivered: A Tale of Three Letters (2024)
Kristin Booth Also in Signed, Sealed, Delivered: Higher Ground (2017)- Martha Williamson Wrote Signed, Sealed, Delivered: Truth Be Told (2015)
Zak Santiago Also in Signed, Sealed, Delivered: One in a Million (2016)
Armand Mastroianni Directed First Target and First Shot
Russell Mulcahy Directed Razorback and Give 'Em Hell, Malone
Robert Iscove Directed Love N' Dancing (2009)
Betty White Also in Joey, The Middle and Love N' Dancing
Doug Savant Also in First Target and First Shot
Randal Kleiser Produced It's My Party (1996)
Craig R. Baxley Directed A Family Torn Apart (1993)
Emilie Ullerup Also in Signed, Sealed, Delivered: Lost Without You (2016)
Heidi Lenhart Also in Au Pair (1999)
Rhiannon Fish Also in Signed, Sealed, Delivered: The Vows We Have Made (2021)
Tim Kelleher Also in Dark Skies and A Family Torn Apart
Katie Volding Also in Au Pair 3: Adventure in Paradise (2009)
Carey Hayes Wrote First Shot and First Daughter- Cheryl Saban Produced Au Pair II (2001), wrote Au Pair (1999)
Olivia Newton-John Also in It's My Party and A Christmas Romance
Jeri Ryan Also in Body of Proof and Dark Skies
Neil Flynn Also in Joey and The Middle
Bill L. Norton Directed Intimate Terror: Angel of Death
Linda Kelsey Also in A Family Torn Apart and Sudden Fury
Gregory HarrisonPartners
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Correct this familyKnown for
View all 40 titles
Not Quite Hollywood 2008
The Nine Lives of Christmas 2014
Love, Fall & Order 2019
Fair Haven 2017
Trilogy of Terror 1975
Filmography 40
126 credits on file
Television 24
Media & music
Photos 1
About this person
Since 2015, Harrison has played Joe O'Toole, father of Oliver, in the Hallmark Channel expansion films of Signed, Sealed and Delivered. From 2020 to 2024, he assumed the role of Gregory Chase on General Hospital.
