Patriarch
CIA Chief Frankenheimer
Executive Producer
Judge Michael Lengel
Frederick (4 episodes)
Eric Brahm (1 episode)
Miles Austin (1 episode)
Anthony Palandrini (1 episode)
Garrett Hardy (1 episode)
Arthur Orloff
George Matthews (1 episode)
Franz Bollenstein
Carl Charnock
Producer
Stephan Mathiesen
Cornelius A. Woaegen, president of GTI
Phillip Erickson (54 episodes)
Director (1 episode)
David Mendelssohn
General Murchison
Anthony Durano
Dr. Sanford
Professor Carter
Andreas Heggener
Harrison Page (2 episodes)
Dr. Walker
Dr. Paolo Brogli (1 episode)
Radcliffe (US version)
Vera Husband
Dr. Sidney Coleman
Roberto Micheli
Colonel Stone
King Eurich
Dr. Robert Cook
Sheriff
Hale Burton (1 episode)
Nicholas Skinner (5 episodes)
Professor Henry Douglas
Fritz Gerlich (1 episode)
Peseti
Appolonius (1 episode)
Father Neill (1 episode)
Emil Radick (1 episode)
Harvey Wood
Van Gould
Armando Della Morra (5 episodes)
Aurelio Morelli
Police superintendent
District Attorney Mannino
Mel Fields
Massimo Oderisi
Producer
Dr. Ross (1 episode)
Dalton Harvey
John Rickman (1 episode)
Gen. Franz von Clodius
Jerry Parks (1 episode)
Doctor Harrison
Producer
Producer
Producer
French-Canadian Radio Speaker (voice) (uncredited)
Producer
El Greco (Domenico Teotocopulo)
Producer
Director
Writer
Rudy DeMeyer
Dr. Jekyll & Mr. Hyde (uncredited)
Juan Bautista de La Salle
Peter Carrington (1 episode)
Maj. Gen. Robert Haines
Philip Allan
Andrea Di Tula
Stephen Orlac
Georges Gauthier
Leopoldo De Karnstein
Benson Thacker
Self - Panelist (1 episode)
Director
Maj. Foster MacLain
Robert Cohn
Giancarlo Barandero
Crown Prince Rudolph
Le comte Henri de Chevincourt
Prince Andrei Bolkonsky
Capt. Alfred Westerman
Don Paolo Salinas
Henrik
Paul Berthalet
Noel, Marquis de Maynes
Co-Director
Frenchy Fairmont
Luís Bello
Director
Gabriel 'Gobby' Broome
Director
Dr. Scott Mason Carter
Father Serra (uncredited)
