Roger Moore character Major Otto Hecht
Telly Savalas character Zeno
David Niven character Professor Blake
Stefanie Powers character Dottie Del Mar
Claudia Cardinale character Eleana
Richard Roundtree character Nat Judson
Sonny Bono character Bruno Rotelli
Elliott Gould character Charlie
Anthony Valentine character SS Major Volkmann
Siegfried Rauch character Braun
Michael Sheard character Sergeant Mann
Richard Wren character Reistoffer
Philip Locke character Vogel
Steve Ubels character Lantz
Paul Picerni character Zeno's Man
Paul Stassino character Zeno's Man
William Holden character POW (Uncredited)
William Holden character Cigar Smoking American POW (Uncredited)
