Gregory Harrison

Gregory Harrison

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.

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Known For

Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

1999 • as Nathan Speer

NCIS

NCIS

2003 • as Roland Ebbakey

The Mike Douglas Show

The Mike Douglas Show

1961 • as Self - Co-Host

M*A*S*H

M*A*S*H

1972 • as Lt. Tony Baker

9-1-1

9-1-1

2018 • as Phillip Buckley

One Tree Hill

One Tree Hill

2003 • as Paul Norris

Filmography

2025

Signed, Sealed, Delivered: To The Moon And Back
Signed, Sealed, Delivered: To The Moon And Back
as Joe O'Toole
Movie - Released: 4/26/2025

2024

Signed, Sealed, Delivered: A Tale of Three Letters
Signed, Sealed, Delivered: A Tale of Three Letters
as Joe O'Toole
Movie - Released: 7/12/2024

2022

Jimmy and Carolyn
Jimmy and Carolyn
Movie - Released: 9/16/2022

2021

The Nine Kittens of Christmas
The Nine Kittens of Christmas
as Chief Sam
Movie - Released: 11/25/2021
Signed, Sealed, Delivered: The Vows We Have Made
Signed, Sealed, Delivered: The Vows We Have Made
as Joe O’Toole
Movie - Released: 10/17/2021
Sweet Carolina
Sweet Carolina
as Pete
Movie - Released: 5/15/2021

2020

The Vanished
The Vanished
as Dr. Bradley
Movie - Released: 8/21/2020

2019

Love, Fall & Order
Love, Fall & Order
as Hank Hart
Movie - Released: 10/12/2019

2018

Signed, Sealed, Delivered: To the Altar
Signed, Sealed, Delivered: To the Altar
as Joe O'Toole
Movie - Released: 7/15/2018
9-1-1
9-1-1
as Phillip Buckley
TV - Released: 1/3/2018

2017

Fair Haven
Fair Haven
as Doctor Gallagher
Movie - Released: 3/3/2017
Signed, Sealed, Delivered: Higher Ground
Signed, Sealed, Delivered: Higher Ground
as Joe O’Toole
Movie - Released: 2/19/2017
Signed, Sealed, Delivered: Home Again
Signed, Sealed, Delivered: Home Again
as Joe O'Toole
Movie - Released: 9/24/2017

2016

Signed, Sealed, Delivered: Lost Without You
Signed, Sealed, Delivered: Lost Without You
as Joe O’Toole
Movie - Released: 9/25/2016
My Christmas Love
My Christmas Love
as Tom Baker
Movie - Released: 12/17/2016
Signed, Sealed, Delivered: One in a Million
Signed, Sealed, Delivered: One in a Million
as Joe O'Toole
Movie - Released: 7/24/2016
Chesapeake Shores
Chesapeake Shores
as Thomas O'Brien
TV - Released: 8/14/2016
American Housewife
American Housewife
as Dan
TV - Released: 10/11/2016

2015

Cloudy with a Chance of Love
Cloudy with a Chance of Love
as Grant
Movie - Released: 2/14/2015
Signed, Sealed, Delivered: Truth Be Told
Signed, Sealed, Delivered: Truth Be Told
as Joe O'Toole
Movie - Released: 9/13/2015

2014

The M Word
The M Word
Movie - Released: 4/30/2014
The Nine Lives of Christmas
The Nine Lives of Christmas
as Chief Sam
Movie - Released: 11/8/2014
Reckless
Reckless
as Dec Fortnum
TV - Released: 6/29/2014

2013

After All These Years
After All These Years
as David
Movie - Released: 4/19/2013

2012

Undercover Bridesmaid
Undercover Bridesmaid
as Mr. Thompson
Movie - Released: 4/15/2012

2011

Ringer
Ringer
TV - Released: 9/13/2011
Body of Proof
Body of Proof
as Dr. Cameron Fischer
TV - Released: 3/29/2011

2010

Rizzoli & Isles
Rizzoli & Isles
as Ron Hanson
TV - Released: 7/12/2010
Hot in Cleveland
Hot in Cleveland
as Dave
TV - Released: 6/16/2010

2009

Give 'em Hell, Malone
Give 'em Hell, Malone
as Whitmore
Movie - Released: 1/4/2009
Au Pair 3: Adventure in Paradise
Au Pair 3: Adventure in Paradise
as Oliver Caldwell
Movie - Released: 3/15/2009
Love n' Dancing
Love n' Dancing
Movie - Released: 4/2/2009
Drop Dead Diva
Drop Dead Diva
as Brandon Tharpe
TV - Released: 7/12/2009
Maneater
Maneater
as Teddy Alpert
TV - Released: 5/30/2009
Castle
Castle
as Danny Valentine
TV - Released: 3/9/2009
The Middle
The Middle
as Bennett Brooks
TV - Released: 9/30/2009

2008

Not Quite Hollywood
Not Quite Hollywood
as Self
Movie - Released: 8/28/2008

2006

Psych
Psych
as Ted Lomax
TV - Released: 7/7/2006

2005

Reunion
Reunion
TV - Released: 9/8/2005

2004

Joey
Joey
as Dean
TV - Released: 9/8/2004

2003

Hollywood's Magical Island: Catalina
Hollywood's Magical Island: Catalina
Movie - Released: 9/12/2003
Miracles
Miracles
TV - Released: 1/27/2003
One Tree Hill
One Tree Hill
as Paul Norris
TV - Released: 9/23/2003
NCIS
NCIS
as Roland Ebbakey
TV - Released: 9/23/2003

2001

Au Pair II
Au Pair II
as Oliver Caldwell
Movie - Released: 4/22/2001

2000

First Target
First Target
as President Jonathan Hayes
Movie - Released: 10/15/2000
Ed
Ed
as Nick Stanton
TV - Released: 10/8/2000
Strong Medicine
Strong Medicine
as Dr. Randolf Kilner
TV - Released: 7/23/2000

1999

Au Pair
Au Pair
as Oliver Caldwell
Movie - Released: 8/22/1999
First Daughter
First Daughter
as President Jonathan Hayes
Movie - Released: 8/15/1999
Murder at 75 Birch
Murder at 75 Birch
as Rick Todson
Movie - Released: 2/9/1999
Judging Amy
Judging Amy
as Tom Gillette
TV - Released: 9/19/1999
Law & Order: Special Victims Unit
Law & Order: Special Victims Unit
as Nathan Speer
TV - Released: 9/20/1999
Safe Harbor
Safe Harbor
as John Loring
TV - Released: 9/20/1999

1998

Air Bud: Golden Receiver
Air Bud: Golden Receiver
as Dr. Patrick Sullivan
Movie - Released: 8/14/1998
Running Wild
Running Wild
as Matt Robinson
Movie - Released: 7/26/1998

1997

Movie
When Secrets Kill
Movie - Released: 4/6/1997

1996

Summer of Fear
Summer of Fear
as Mr. Marshall
Movie - Released: 4/3/1996
It's My Party
It's My Party
as Brandon Theis
Movie - Released: 3/22/1996
Dark Skies
Dark Skies
as Old John Loengard
TV - Released: 9/21/1996

1995

Nothing Lasts Forever
Nothing Lasts Forever
as Dr. Benjamin 'Ben' Wallace
Movie - Released: 11/4/1995
Hard Evidence
Hard Evidence
as Trent Turner
Movie - Released: 11/23/1995
A Dangerous Affair
A Dangerous Affair
as Robert Kenzer
Movie - Released: 1/1/1995
500 Nations
500 Nations
TV - Released: 4/20/1995
New York News
New York News
as Jack Reilly
TV - Released: 9/28/1995
The Outer Limits
The Outer Limits
as Dr. Larry Chambers
TV - Released: 3/26/1995
Nothing Lasts Forever
Nothing Lasts Forever
as Dr. Benjamin 'Ben' Wallace
TV - Released: 11/5/1995

1994

A Christmas Romance
A Christmas Romance
as Brian Harding
Movie - Released: 12/1/1994
Mortal Fear
Mortal Fear
as Philip Montgomery
Movie - Released: 11/20/1994
Lies of the Heart: The Story of Laurie Kellogg
Lies of the Heart: The Story of Laurie Kellogg
as Bruce Kellogg
Movie - Released: 1/31/1994
Touched by an Angel
Touched by an Angel
as Pete Taylor
TV - Released: 9/21/1994
Touched by an Angel
Touched by an Angel
as Richard
TV - Released: 9/21/1994
Touched by an Angel
Touched by an Angel
as Don Costello
TV - Released: 9/21/1994

1993

Caught in the Act
Caught in the Act
as Scott McNally
Movie - Released: 7/22/1993
Cadillac Girls
Cadillac Girls
as Sam
Movie - Released: 5/28/1993
Sudden Fury
Sudden Fury
as Tom Kelley
Movie - Released: 11/21/1993

1992

Breaking the Silence
Breaking the Silence
as Paul Danner
Movie - Released: 1/14/1992
Split Images
Split Images
as Robbie Daniels
Movie - Released: 1/1/1992
Body Chemistry II: Voice of a Stranger
Body Chemistry II: Voice of a Stranger
as Dan
Movie - Released: 8/5/1992
Duplicates
Duplicates
as Bob Boxletter
Movie - Released: 3/18/1992

1991

Bare Essentials
Bare Essentials
as William 'Bill' Buzell owner of Luhana
Movie - Released: 1/8/1991

1990

Angel of Death
Angel of Death
as Gary Nicholson
Movie - Released: 10/2/1990
Night of 100 Stars III
Night of 100 Stars III
as Self
Movie - Released: 5/21/1990
Dangerous Pursuit
Dangerous Pursuit
as John
Movie - Released: 2/14/1990
The Family Man
The Family Man
as Jack Taylor
TV - Released: 9/11/1990

1988

Hot Paint
Hot Paint
as Willie
Movie - Released: 3/20/1988
Red River
Red River
as Cherry Valance
Movie - Released: 4/10/1988

1987

North Shore
North Shore
as Chandler
Movie - Released: 8/14/1987
The Nativity
The Nativity
as Joseph (voice)
Movie - Released: 1/1/1987
Happy 100th Birthday, Hollywood
Happy 100th Birthday, Hollywood
as Self
Movie - Released: 5/18/1987

1986

Oceans of Fire
Oceans of Fire
as Ben Laforche
Movie - Released: 9/16/1986
Picnic
Picnic
as Hal Carter
Movie - Released: 11/10/1986
Pee-wee's Playhouse
Pee-wee's Playhouse
as Conky 2000 (voice) / Knucklehead (voice)
TV - Released: 9/13/1986
Fresno
Fresno
as Torch
TV - Released: 11/16/1986

1985

Seduced
Seduced
as Mike Riordan
Movie - Released: 3/12/1985
Night of 100 Stars II
Night of 100 Stars II
as Self
Movie - Released: 3/10/1985

1984

Razorback
Razorback
as Carl Winters
Movie - Released: 4/19/1984

1983

Movie
The Hasty Heart
as Sgt. Lachlen McLachlen
Movie - Released: 12/1/1983
The Fighter
The Fighter
as Merle Banks
Movie - Released: 2/19/1983

1981

For Ladies Only
For Ladies Only
as John Phillips
Movie - Released: 11/9/1981
Falcon Crest
Falcon Crest
as Michael Sharpe
TV - Released: 12/4/1981

1980

The Women's Room
The Women's Room
as Ben Volper
Movie - Released: 9/14/1980
Kraft Salutes Disneyland's 25th Anniversary
Kraft Salutes Disneyland's 25th Anniversary
as Self
Movie - Released: 3/6/1980
Enola Gay: The Men, the Mission, the Atomic Bomb
Enola Gay: The Men, the Mission, the Atomic Bomb
as Capt. Bob Lewis
Movie - Released: 11/23/1980

1979

The Best Place to Be
The Best Place to Be
as Rick Jawlosky
Movie - Released: 5/27/1979
Trapper John, M.D.
Trapper John, M.D.
as George Alonzo 'Gonzo' Gates
TV - Released: 9/23/1979

1978

Centennial
Centennial
as Levi Zendt
TV - Released: 10/1/1978

1977

Fraternity Row
Fraternity Row
as Zac
Movie - Released: 6/3/1977
The Gathering
The Gathering
as Bud Jr.
Movie - Released: 12/4/1977
Logan's Run
Logan's Run
as Logan
TV - Released: 9/16/1977

1976

Battle of the Network Stars
Battle of the Network Stars
TV - Released: 11/13/1976

1975

Trilogy of Terror
Trilogy of Terror
as Arthur Moore
Movie - Released: 3/4/1975
Movie
Jim, the World's Greatest
as Jim Nolan
Movie - Released: 7/11/1975

1973

The Harrad Experiment
The Harrad Experiment
as Student (uncredited)
Movie - Released: 5/11/1973

1972

M*A*S*H
M*A*S*H
as Lt. Tony Baker
TV - Released: 9/17/1972

1961

The Mike Douglas Show
The Mike Douglas Show
as Self - Co-Host
TV - Released: 12/11/1961