Arthur Shipton (1 episode, 2012)
Officer #2 (2 episodes, 1999-2000)
Harold Darling (1 episode, 2003)
Governor Schick (1 episode, 1998)
FBI Agent Todd Hoffman (1 episode, 1999)
Phil Spencer (1 episode, 2004)
Donnie Pendleton / ... (2 episodes, 1982-1985)
Peter Stark (1 episode, 1983)
Alan Caldwell (5 episodes, 1984)
Ludwig (2 episodes, 1981)
Jay Barnett (1 episode, 1986)
Clooney / ... (2 episodes, 1982-1984)
James Beardsley / ... (8 episodes, 2009-2010)
Dr. Jordan Barr (unknown episodes, 1979-1980)
Niven (unknown episodes, 1982)