Gregory Harrison Gregory Harrison 5/31/50 Actor Biography There is no information about «Gregory Harrison» yet. Roles Michael Sharpe (Actor) Falcon Crest Conky the Robot (Actor) Pee-Wee's Playhouse Mr. Knucklehead (Actor) Pee-Wee's Playhouse Dec Fortnum (Actor) Reckless Dr. George Alonzo 'Gonzo' Gates (Actor) Trapper John, M.D. Jack Taylor (Actor) The Family Man Gregory Chase (Actor) General Hospital Logan (Actor) Logan's Run Gallery