James Leasor

Reginald Rose

Andrew V. McLaglen

John Glen

Gregory Peck

Col. Lewis Pugh

Roger Moore

Capt. Gavin Stewart

David Niven

Col. W.H. Grice

Patrick Macnee

Major 'Yogi' Crossley

Trevor Howard

Jack Cartwright

Patrick Allen

Colin Mackenzie

John Standing

Finley

Wolf Kahler

Trompeta

Allan Cuthbertson

Dickie Melborne

William Morgan Sheppard

'Patch' Lovecroft

Graham Stark

Don Manners

Michael Medwin

Langley

Donald Houston

Hilliard

Martin Benson

Mr. Montero

Kenneth Griffith

Charlie Wilton

Jack Watson

Maclean

Moray Watson

Breen

Terence Longdon

Malvern

Barbara Kellerman

Mrs. Cromwell

Bernard Archard

Underhill

Mohan Agashe

Brothel Keeper

Faith Brook

Mrs Doris Grice

Patrick Holt

Barker

Percy Herbert

Dennison

Dan van Husen

U-Boat First Officer

Glyn Houston

Peters

Robert Hoffmann

U-Boat Captain

Clifford Earl

Sloane

Maurice Binder

Deseño de título principal

Eddie Powell

Acrobacias

Roy Budd

Composición de música orixinal

Lorimar Productions

Richmond Light Horse Productions

Varius Entertainment Trading A.G.