Gregory Harrison: Gregory Harrison. Actor: Trapper John, M.D.. Gregory Harrison was born on 31 May 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 3 May 1981. They have four children.
