Gregory Harrison

May 31, 1950 (75 years old) in Avalon, California, USA

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

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Law & Order: Special Victims Unit

Nathan Speer

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NCIS

Roland Ebbakey

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One Tree Hill

Paul Norris

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Castle

Danny Valentine

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Psych

Ted Lomax

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9-1-1

Phillip Buckley

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M*A*S*H

Lt. Tony Baker

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Body of Proof

Dr. Cameron Fischer

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Hot in Cleveland

Dave

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Rizzoli & Isles

Ron Hanson

Credits

Signed, Sealed, Delivered: To The Moon And Back 2025

Joe O'Toole

★ 7
Signed, Sealed, Delivered: A Tale of Three Letters 2024

Joe O'Toole

★ 6.5
Jimmy and Carolyn 2022

★ NR
The Nine Kittens of Christmas 2021

Chief Sam

★ 6.8
Signed, Sealed, Delivered: The Vows We Have Made 2021

Joe O’Toole

★ 7
Sweet Carolina 2021

Pete

★ 7.1
The Vanished 2020

Dr. Bradley

★ 6
Love, Fall & Order 2019

Hank Hart

★ 6.7
Signed, Sealed, Delivered: To the Altar 2018

Joe O'Toole

★ 7.2
9-1-1 2018

Phillip Buckley

★ 8.2
Signed, Sealed, Delivered: Home Again 2017

Joe O'Toole

★ 6.6
Fair Haven 2017

Doctor Gallagher

★ 6.3
Signed, Sealed, Delivered: Higher Ground 2017

Joe O’Toole

★ 7.2
My Christmas Love 2016

Tom Baker

★ 6.2
American Housewife 2016

Dan

★ 7.7
Signed, Sealed, Delivered: Lost Without You 2016

Joe O’Toole

★ 7.2
Chesapeake Shores 2016

Thomas O'Brien

★ 7.8
Signed, Sealed, Delivered: One in a Million 2016

Joe O'Toole

★ 6.4
Signed, Sealed, Delivered: Truth Be Told 2015

Joe O'Toole

★ 6.5
Cloudy with a Chance of Love 2015

Grant

★ 6.1
The Nine Lives of Christmas 2014

Chief Sam

★ 6.7
Reckless 2014

Dec Fortnum

★ 7
The M Word 2014

★ 3
After All These Years 2013

David

★ 5.8
Undercover Bridesmaid 2012

Mr. Thompson

★ 5.7
Ringer 2011

★ 5.9
Body of Proof 2011

Dr. Cameron Fischer

★ 7
Rizzoli & Isles 2010

Ron Hanson

★ 7.9
Hot in Cleveland 2010

Dave

★ 7.4
The Middle 2009

Bennett Brooks

★ 7.6
Drop Dead Diva 2009

Brandon Tharpe

★ 7.7
Maneater 2009

Teddy Alpert

★ 4
Love n' Dancing 2009

★ 5.6
Au Pair 3: Adventure in Paradise 2009

Oliver Caldwell

★ 5.7
Castle 2009

Danny Valentine

★ 8
Give 'em Hell, Malone 2009

Whitmore

★ 5.7
Not Quite Hollywood 2008

Self

★ 6.9
Psych 2006

Ted Lomax

★ 7.9
Reunion 2005

★ 6.7
Joey 2004

Dean

★ 6.3
One Tree Hill 2003

Paul Norris

★ 7.8
NCIS 2003

Roland Ebbakey

★ 7.6
Hollywood's Magical Island: Catalina 2003

★ 6
Miracles 2003

★ 8
Au Pair II 2001

Oliver Caldwell

★ 5.2
First Target 2000

President Jonathan Hayes

★ 4.5
Ed 2000

Nick Stanton

★ 7.7
Strong Medicine 2000

Dr. Randolf Kilner

★ 7.1
Law & Order: Special Victims Unit 1999

Nathan Speer

★ 7.9
Safe Harbor 1999

John Loring

★ 6
Judging Amy 1999

Tom Gillette

★ 7.5
Au Pair 1999

Oliver Caldwell

★ 5.8
First Daughter 1999

President Jonathan Hayes

★ 4.7
Murder at 75 Birch 1999

Rick Todson

★ 5.5
Air Bud: Golden Receiver 1998

Dr. Patrick Sullivan

★ 5
Running Wild 1998

Matt Robinson

★ 7
When Secrets Kill 1997

★ NR
Dark Skies 1996

Old John Loengard

★ 7.3
Summer of Fear 1996

Mr. Marshall

★ 4.9
It's My Party 1996

Brandon Theis

★ 6.3
Hard Evidence 1995

Trent Turner

★ 5
Nothing Lasts Forever 1995

Dr. Benjamin 'Ben' Wallace

★ 6
New York News 1995

Jack Reilly

★ NR
500 Nations 1995

★ 7.6
The Outer Limits 1995

Dr. Larry Chambers

★ 7.7
A Dangerous Affair 1995

Robert Kenzer

★ 5
A Christmas Romance 1994

Brian Harding

★ 5.8
Mortal Fear 1994

Philip Montgomery

★ 4.8
Touched by an Angel 1994

Pete Taylor

★ 7.2
Lies of the Heart: The Story of Laurie Kellogg 1994

Bruce Kellogg

★ 6.6
Sudden Fury 1993

Tom Kelley

★ 5.3
Caught in the Act 1993

Scott McNally

★ 5.5
Cadillac Girls 1993

Sam

★ 2.7
Body Chemistry II: Voice of a Stranger 1992

Dan

★ 4.5
Duplicates 1992

Bob Boxletter

★ 5.9
Breaking the Silence 1992

Paul Danner

★ NR
Split Images 1992

Robbie Daniels

★ NR
Bare Essentials 1991

William 'Bill' Buzell owner of Luhana

★ 3.4
Angel of Death 1990

Gary Nicholson

★ NR
The Family Man 1990

Jack Taylor

★ 6.2
Night of 100 Stars III 1990

Self

★ 4
Dangerous Pursuit 1990

John

★ 5.8
Red River 1988

Cherry Valance

★ 5.6
Hot Paint 1988

Willie

★ NR
North Shore 1987

Chandler

★ 5.9
Happy 100th Birthday, Hollywood 1987

Self

★ 7.5
The Nativity 1987

Joseph (voice)

★ 7.5
Fresno 1986

Torch

★ 6.4
Picnic 1986

Hal Carter

★ 1
Oceans of Fire 1986

Ben Laforche

★ 4.4
Pee-wee's Playhouse 1986

Conky 2000 (voice) / Knucklehead (voice)

★ 7.3
Seduced 1985

Mike Riordan

★ 2.5
Night of 100 Stars II 1985

Self

★ 8
Razorback 1984

Carl Winters

★ 5.9
The Hasty Heart 1983

Sgt. Lachlen McLachlen

★ NR
The Fighter 1983

Merle Banks

★ 5
Falcon Crest 1981

Michael Sharpe

★ 5.5
For Ladies Only 1981

John Phillips

★ 4
Enola Gay: The Men, the Mission, the Atomic Bomb 1980

Capt. Bob Lewis

★ 5.5
The Women's Room 1980

Ben Volper

★ 4.3
Kraft Salutes Disneyland's 25th Anniversary 1980

Self

★ NR
Trapper John, M.D. 1979

George Alonzo 'Gonzo' Gates

★ 6.5
The Best Place to Be 1979

Rick Jawlosky

★ 6
Centennial 1978

Levi Zendt

★ 7.6
The Gathering 1977

Bud Jr.

★ 3.7
Logan's Run 1977

Logan

★ 6.5
Fraternity Row 1977

Zac

★ NR
Battle of the Network Stars 1976

★ 7.2
Jim, the World's Greatest 1975

Jim Nolan

★ 5
Trilogy of Terror 1975

Arthur Moore

★ 6.2
The Harrad Experiment 1973

Student (uncredited)

★ 3.5
M*A*S*H 1972

Lt. Tony Baker

★ 7.9