Arthur Conan Doyle (2 episodes, 2008)
Carleton Riddlemeyer (18 episodes, 2007-2008)
Henry Breedlove (5 episodes, 2005)
Daniels (как Geraint Wyn-Davies)
James Nathanson (6 episodes, 2006)
Zin (12 episodes, 2001-2002)
David Kaydick (unknown episodes)
Dr. David LaSalle / ... (2 episodes, 1996-2001)
Michael Moore (1 episode, 1993)
Klaus Helsing (5 episodes, 1990-1991)
Det. Nicholas 'Nick' Knight / ... (70 episodes, 1992-1996)
Major Mike Rivers (24 episodes, 1987)
Adam Coulter / ... (3 episodes, 1982-1983)
Michael Franklin (as Gary Davies)