Mayor Claire, Exceptional Vista
Nietre (unknown episodes)
Reverend Dr. Lionel Jones
Asst. Secretary of War John J. McCloy
Andrei / ... (3 episodes, 1993-1996)
Cecil Loomis (Will's Father)
Gustav Helsing (21 episodes, 1990-1991)
Grandpa Day (unknown episodes)
Jennings / ... (2 episodes, 1989-1990)
Eli Strasson / ... (2 episodes, 1990-1991)
Dr. Fred McNeil / ... (3 episodes, 1987-1991)
Barney / ... (3 episodes, 1988-1989)
Older Salesman (segment "Wordplay") 1 episode, 1985
Dr. Heller / ... (3 episodes, 1987-1989)
Dr. Sheaffer (1 episode, 1985)
Additional Voices 1 episode, 1984
Bank Manager (1 episode, 1982)
Father Michaelson (1 episode, 1980)
Harold Haskell (2 episodes, 1981-1982)
Beaumont / ... (2 episodes, 1977)
Gentleman (4 episodes, 1976)
Haley Gavin (1 episode, 1978)
Jason (2 episodes, 1977-1978)
George O'Connell (1 episode, 1978)