Scientist #1 / ... (12 episodes, 1997-2000)
Guard / ... (2 episodes, 1996-1997)
Dr. Buzz Kutt (unknown episodes)
Mr. Crawford (14 episodes, 1991-1994)
Mr. Stevenson (1 episode, 1995)
Mr. Sterling (segment "Blue Suits")
Clarence Egan (1 episode, 1991)
Baker Lawrence / ... (3 episodes, 1989-1993)
Racketeer Johnny Royce / ... (2 episodes, 1983-1985)
Gary Horton (1 episode, 1983)
Dr. Bowden / ... (2 episodes, 1983)
J. Benson Landale (3 episodes, 1984)
Dr. Jorgenson (1 episode, 1982)
Dr. Hanley / ... (2 episodes, 1980-1982)
Dr. Frank Waring (5 episodes, 1981-1982)
Robert Dennehy / ... (3 episodes, 1977-1981)
Congressman Walter McCallam (5 episodes, 1977-1978)
Hugh Tomlinson (1 episode, 1977)
Joe McCall, reporter on funeral train
Kip Kipple (3 episodes, 1973)
Dwayne Nichols / ... (2 episodes, 1975-1977)
Professor Trainer / ... (2 episodes, 1973-1974)
Col. Samuel Flagg / ... (7 episodes, 1973-1979)
Charlton 'Charlie' Chambers (1 episode, 1990)
Mr. Whittingham (unknown episodes, 1970)
Man in Hallway (в титрах отсутствует)