Roger Moore

Otto Hecht

Telly Savalas

Zeno

David Niven

Professor Blake

Stefanie Powers

Dottie Del Mar

Claudia Cardinale

Eleana

Richard Roundtree

Nat Judson

Sonny Bono

Bruno Rotelli

Elliott Gould

Charlie

Anthony Valentine

Volkmann

Siegfried Rauch

Braun

Michael Sheard

Sergeant Mann

Richard Wren

Reistoffer

Philip Locke

Vogel

Steve Ubels

Lantz

Paul Picerni

Zeno's Man

Paul Stassino

Zeno's Man

Manolis Peletis

Stassia Stakis

Λυκούργος Καλλέργης

Lambros Tsangas

Μιμή Ντενίση

Anne Marie Sten

Mary Dracopoulou

Elena Secota

Vanna Reville

William Holden

POW (uncredited)

George P. Cosmatos

Director

Edward Anhalt

Screenplay

Richard S. Lochte

Screenplay

Richard S. Lochte

Story

George P. Cosmatos

Story

Michael Stringer

Production Design

John Graysmark

Supervising Art Director

David Niven Jr.

Producer

Jack Wiener

Producer

Colin M. Brewer

Associate Producer

Lalo Schifrin

Original Music Composer

Gilbert Taylor

Director of Photography

Ralph Kemplen

Editor

Irene Lamb

Casting

Yvonne Blake

Costume Design

Eric Allwright

Makeup Artist

Paul Engelen

Makeup Artist

Derek Cracknell

Assistant Director

Ken Nightingall

Boom Operator

Nicholas Stevenson

Sound Editor

John Richardson

Special Effects

Vic Armstrong

Stunt Coordinator

Ray Andrew

Steadicam Operator

Derek V. Browne

Camera Operator

Bob Penn

Still Photographer

Hunt Downs

Unit Publicist

Richard Green

Location Manager

Arlene Phillips

Choreographer

Tracey Eddon

Stunt Double

Derek Ball

Sound Mixer