Faye Dunaway

Denise Kreisler

Oskar Werner

Professor Egon Kreisler

Lee Grant

Lili Rosen

Sam Wanamaker

Carl Rosen

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

Paul Koslo

Aaron Pozner

Jonathan Pryce

Joseph Manasse

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

David Daker

First Officer

Constantine Gregory

Navigation Officer

Don Henderson

Engineering Officer

Orson Welles

José Estedes

James Mason

Dr. Juan Remos

Katharine Ross

Mila Hauser

Victor Spinetti

Dr. Erich Strauss

Michael Constantine

Luis Clasing

José Ferrer

Manuel Benitez

Ben Gazzara

Morris Troper

Fernando Rey

President Bru

Bernard Hepton

Milton Goldsmith

Günter Meisner

Robert Hoffman

Janet Suzman

Leni Strauss

Frederick Jaeger

Werner Mannheim

Denholm Elliott

Admiral Canaris

Leonard Rossiter

Commander von Bonin

Philip Stone

Secretary

Luis Ciges

President Bru's Secretary (uncredited)

Laura Gemser

Estedes' Friend (uncredited)

Bernard Kay

Cuba Harbour Pilot (uncredited)