Adolf Hitler 4 episodes, 2015-2016
Father Eickholt 2 episodes, 2016
Dick Klein (1 episode, 2013)
Doctor Clipperton (1 episode, 2013)
Graham - Deputy Secretary Homeland Security (1 episode, 2005)
Samuel (2 episodes, 2007)
Mr. Jacobs (1 episode, 2012)
Gerhard Zimmer (1 episode, 2001)
Ramon Veloso (5 episodes, 2002)
Ambassador von Rutte (1 episode, 2002)
Dr. Seifert (5 episodes, 2008)
Jonathan (2 episodes, 1989-1991)
Marcello Armonti (61 episodes, 1985)
Eric Speer / ... (2 episodes, 1983-1984)
Steven Kirby (2 episodes, 1985)
Heinrich (1 episode, 1982)