Bart Adams (14 episodes, 1952-1955)
Bart Adams (13 episodes, 1952)
Ted Matthews (2 episodes, 1952-1954)
Grun / Karel (2 episodes, 1952)
Ruby Ellis / Singer (2 episodes, 1952-1954)
Larry Hudson (2 episodes, 1952-1954)
Dr. Volincek / Thanos (2 episodes, 1952)
Selma Seely (1 episode, 1952)
Partheus (1 episode, 1952)
Magda Lucenec (1 episode, 1952)
Katryn (1 episode, 1954)
Dr. Karrakas (1 episode, 1952)
Thelma Seely (1 episode, 1952)
Zinner (1 episode, 1952)
General Beran (1 episode, 1954)
Stefani (1 episode, 1952)
Voralov (1 episode, 1952)
Johnson (1 episode, 1952)
Greta (1 episode, 1954)
Losch (1 episode, 1952)
Vedowsky (1 episode, 1952)
Laius (1 episode, 1952)
Lockwood (1 episode, 1952)
Rhonda Garland (1 episode, 1952)
Peter (1 episode, 1954)
Jimmy James (1 episode, 1952)
Bartender (1 episode, 1952)
Jane (1 episode, 1952)
(1 episode, 1952)
Lt. Redescu (1 episode, 1952)
Miss Pemberthy (1 episode, 1952)
Ellen Winters (1 episode, 1952)
Zorna (1 episode, 1952)
Marya (1 episode, 1952)
Harrington (1 episode, 1952)
Steve (1 episode, 1952)
Captain (1 episode, 1952)
Dr. Stefanik (1 episode, 1952)
Nikolo (1 episode, 1952)
Marek (1 episode, 1952)
Newton Howe (1 episode, 1952)
Dobri (1 episode, 1952)
Otto (1 episode, 1952)
Minette (1 episode, 1952)
(1 episode, 1954)
Janet Wood (American reporter in Europe) (unknown episodes)
Rita (Bart's friend in Copenhagen) (unknown episodes)