Russ Pfeiffer (1 episode, 2015)
Third Man (2 episodes, 2006)
Firek Plinn (1 episode, 2002)
Dr. Haspliss (1 episode, 2001)
Dr. Daniel Miller (1 episode, 2001)
Edward Conklin (2 episodes, 2001)
Archduke Sebassis (3 episodes, 2003-2004)
Candor (6 episodes, 2006)
Professor Lillian (1 episode, 2001)
Jake Arbuthnot, M.E. (2 episodes, 1999)
Vorta Gelnon (2 episodes, 1998)
Южане (1991)
Scorchers (5.50)
Jumper
Dr. Ronald Griggs 1 episode, 2016