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.
as Joe O'Toole
as Joe O'Toole
as Chief Sam
as Joe O’Toole
as Pete
as Dr. Bradley
as Hank Hart
as Joe O'Toole
as Phillip Buckley(7 eps)
as Joe O'Toole
as Doctor Gallagher
as Joe O’Toole
as Tom Baker
as Dan(2 eps)
as Joe O’Toole
as Thomas O'Brien(15 eps)
as Joe O'Toole
as Joe O'Toole
as Grant
as Chief Sam
as Dec Fortnum(13 eps)
as David
as Mr. Thompson
as Tim Arbogast(5 eps)
as Dr. Cameron Fischer(1 ep)
as Ron Hanson(6 eps)
as Dave(1 ep)
as Bennett Brooks(1 ep)
as Brandon Tharpe(1 ep)
as Teddy Alpert(2 eps)
as Carl
as Oliver Caldwell
as Danny Valentine(1 ep)
as Whitmore
as Self
as Ted Lomax(1 ep)
as Dean(5 eps)
as Paul Norris(12 eps)
as Roland Ebbakey(1 ep)
as Sheriff Ed Prescott(1 ep)
as Oliver Caldwell
as President Jonathan Hayes
as Nick Stanton(5 eps)
as Dr. Randolf Kilner(4 eps)
as Nathan Speer(1 ep)
as John Loring(10 eps)
as Tom Gillette(4 eps)
as Oliver Caldwell
as President Jonathan Hayes
as Rick Todson
as Dr. Patrick Sullivan
as Matt Robinson
as Old John Loengard (voice) (uncredited)
as Old John Loengard(19 eps)
as Mr. Marshall
as Brandon Theis
as Trent Turner
as Dr. Benjamin 'Ben' Wallace(2 eps)
as Dr. Benjamin 'Ben' Wallace
as Jack Reilly(8 eps)
as Dr. Larry Chambers(1 ep)
as Robert Kenzer
as Brian Harding
as Philip Montgomery
as Pete Taylor(1 ep)
as Richard(1 ep)
as Don Costello(1 ep)
as Bruce Kellogg
as Tom Kelley
as Scott McNally
as Sam
as Bob Boxletter
as Paul Danner
as Robbie Daniels
as William 'Bill' Buzell owner of Luhana
as Gary Nicholson
as Jack Taylor(22 eps)
as Self
as John
as Cherry Valance
as Willie
as Chandler
as Torch(5 eps)
as Hal Carter
as Ben Laforche
as Conky 2000 (voice) / Knucklehead (voice)(13 eps)
as Joseph (voice)
as Mike Riordan
as Self
as Carl Winters
as Sgt. Lachlen McLachlen
as Merle Banks
as Michael Sharpe(22 eps)
as John Phillips
as Capt. Bob Lewis
as Ben Volper
as Gonzo Gates(151 eps)
as Rick Jawlosky
as Levi Zendt(12 eps)
as Bud Jr.
as Logan(14 eps)
as Zac
as Jim Nolan
as Arthur Moore
as Student (uncredited)
as Lt. Tony Baker(1 ep)
as Self - Co-Host(1 ep)
