Faye Dunaway
Denise Kreisler
Oskar Werner
Professor Egon Kreisler
Lynne Frederick
Anna Rosen
David de Keyser
Joseph Joseph
Luther Adler
Professor Weiler
Wendy Hiller
Rebecca Lara Weiler
Julie Harris
Alice Fienchild
Nehemiah Persoff
Herr Hauser
Maria Schell
Frau Miriam Hauser
Jonathan Pryce
Joseph Manasse
Brian Gilbert
Laurenz Schulman
Georgina Hale
Lotte Schulman
Max von Sydow
Captain Schroeder
Malcolm McDowell
Max Gunter
Helmut Griem
Otto Schiendick
Keith Barron
Purser Mueller
Anthony Higgins
Seaman Heinz Berg
Donald Houston
Dr. Glauner
Constantine Gregory
Navigation Officer
Don Henderson
Engineering Officer
James Mason
Dr. Juan Remos
Katharine Ross
Mila Hauser
Victor Spinetti
Dr. Erich Strauss
Michael Constantine
Luis Clasing
José Ferrer
Manuel Benitez
Fernando Rey
President Bru
Bernard Hepton
Milton Goldsmith
Günter Meisner
Robert Hoffman
Marika Rivera
Madame in Bordello
Frederick Jaeger
Werner Mannheim
Denholm Elliott
Admiral Canaris
Leonard Rossiter
Commander von Bonin
Luis Ciges
President Bru's Secretary (uncredited)
Laura Gemser
Estedes' Friend (uncredited)
Bernard Kay
Cuba Harbour Pilot (uncredited)
