Rabbi Polonski (4 episodes, 2003-2005)
Guy Bernier 1 episode, 2002
Dr. Malcolm White (1 episode, 1999)
Gird Thomas (1 episode, 1994)
Charlie (1 episode, 1989)
Avery / ... (2 episodes, 1989-1991)
Andy Aronson / ... (2 episodes, 1987)
Bluestone (segment "Time and Teresa Golowitz") 1 episode, 1987
Prof. Jarvis Crowley (1 episode, 1991)
Packard / ... (2 episodes, 1985-1987)
Dr. Michael Ridley (12 episodes, 1983-1984)
Marty (10 episodes, 1986-1987)
Denny Prine (1 episode, 1986)
Del Franklin (1 episode, 1978)