Lee Marvin

Harry Wargrave

Robert Shaw

General Markenkov

Linda Evans

Else Lang

Maximilian Schell

Colonel Nikolai Bunin

Joe Namath

Leroy

Horst Buchholz

Scholten

Mike Connors

Haller

Claudio Cassinelli

Molinari

Kristina Nel

Helga Mann

David Hess

Geiger

Günter Meisner

Rudi Muehler

Sylva Langová

Olga

Cyril Shaps

Sedov

Vladek Sheybal

Zannbin

Arthur Brauss

Neckermann

Sky du Mont

Philip John

Richard Marner

Prachko

Arnold Drummond

Commissar

Paul Glawion

Alfredo

Dan van Husen

Bernardo

Rainer Steffen

1st Policeman

Dieter Groest

2nd Policeman

Hans-Jürgen Leuthen

Dutch Customs Man

Maximilian Wolters

Swiss Officer

Gudo Hoegel

Adjutant of Molinari

Rudolf Waldemar Brem

1st Signal Man

Erland Erlandsen

2nd Signal Man

Walter Kraus

Engineer

Osman Ragheb

Security Agent

Robert Rietti

Marenkov (voice)

Marcello Monti

(uncredited)