Captain Bernhard Rogge

Van Heflin

Admiral Russell

Charles Laughton

Master of the Abdullah

Grégoire Aslan

Lieutenant Mohr

Peter Carsten

Samuel Braunstein

Gian Maria Volonté

Captain del Sommergibile

Gérard Herter

Dr. Hartmann

Dieter Eppler

Suora Suora

Edith Peters

Zizi

Mylène Demongeot

Lieutenant Krüger

John Ericson

Colonel Howard

Cecil Parker

Paco

Folco Lulli

Knoche / Captain Canard

Alex Nicol

Captain Windsor

Liam Redmond

Elsa

Eleonora Rossi Drago

Admiral Bensen

Ralph Truman

Director

Duilio Coletti

Screenplay

Vittoriano Petrilli