William Callaway Actor or Actress (20) Droopy, Master Detective (1993) Yogi's Great Escape (1987) Ultraman: The Adventure Begins (1987) DuckTales (1987) G.I. Joe: The Movie (1987) Inhumanoids (1986) UFOria (1985) Daniel Boone (1981) The Smurfs (1981) Scooby-Doo and Scrappy-Doo (1979) Taxi (1978) Rabbit Test (1978) Annie Hall (1977) Fun with Dick and Jane (1977) Thursday's Game (1974) Sealab 2020 (1972) The Great Northfield Minnesota Raid (1972) The Grasshopper (1970) Scooby-Doo, Where Are You! (1969) Gunsmoke (1955)