William Holden as Eric Erickson

Lilli Palmer as Ms. Marianne Möllendorf

Hugh Griffith as Collins

Carl Raddatz as Otto Holtz

Ernst Schröder as Baron Gerhard von Oldenburg

Charles Regnier as Wilhelm Kortner

Ingrid van Bergen as Hulda Windler

Wolfgang Preiss as Colonel Nordoff

Werner Peters as Bruno Ulrich

Erica Beer as Klara Holtz

Stefan Schnabel as Gestapo agent at funeral

Klaus Kinski as Kindler

Erik Schumann as Nazi Gunboat Officer

Poul Reichhardt as Fishing Boat Skipper

John Wittig as Sven

Louis Miehe-Renard as Poul

Kai Holm as Gunnar

Jens Østerholm as Lars

Eva Dahlbeck as Ingrid Erickson

Ulf Palme as Max Gumpel

Jørgen Krogh as

Helo Gutschwager as Hans Holtz (uncredited)

Jochen Blume as Dr. Jacob Karp (uncredited)

Dirk Hansen as Lieutenant Nagler (uncredited)

Günter Meisner as Priest (uncredited)

Phil Brown as Harold Murray (uncredited)

Max Buchsbaum as Fischer (uncredited)

Peter Capell as Unger (uncredited)

Ejner Federspiel as Prof. Christiansen (uncredited)

Eva Fiebig as Ms. Hecker (uncredited)

Holger Hagen as Carl Bradley (uncredited)

Reinhard Kolldehoff as Col. Erdmann (uncredited)

Karl-Heinz Kreienbaum as Policeman at Gestapo H.O. (uncredited)

Bendt Rothe as Mögens (uncredited)

Albert Rueprecht as Capt. Barlach (uncredited)

Friedrich Schütter as German Passport Official (uncredited)

Gottfried Kramer as German Passport Official (uncredited)

Ulrich Matschoss as Bespectacled Suspect at Gestapo H.O. (uncredited)

Horst-Dieter Sievers as Bespectacled Suspect at Gestapo H.O. (uncredited)

Werner Van Deeg as Oil Refinery Manager (uncredited)