Films[]
- 1972 – The Night Stalker as Carl Kolchak
- 1972 – Something Evil
- 1973 – The Night Strangler as Carl Kolchak
- 1988 – Dead Heat as Dr. Ernest McNab
- 1992 – Happy Hell Night as Henry Collins
Television[]
- 1974 - 1975 – Kolchak: The Night Stalker as Carl Kolchak (20 episodes)
- 1985 – The Hitchhiker: Nightshift as Old Man
- 1985 – Tales from the Darkside: Distant Signals as Van Conway
- 1989 – Monsters: Portrait of the Artist as Hubert
- 1997 – Millennium: Midnight of the Century as Henry Black
- 1998 - 1999 – The X-Files as Arthur Dales (2 episodes)