Cast (14)

James Caan

Cmdr. Richard Bolton, RNVR

David Sumner

Lt. Davies R.N.V.R

Norman Bowler

Sub-Lt. Pennington, RN

Paul Young

Leading Seaman Quentin

Brian Grellis

CPO Barquist X 3

William Dysart

Lt. Robert Talbot Gogan R.N.R.

John Kelland

Sub-Lt. Keith Willis, RNVR

Kenneth Farrington

CPO Boker Knowles

Keith Alexander

Sub-Lt. X-3

Carl Rigg

CPO Norman Kennedy

Steve Kirby

Leading Seaman X-2

Nick Tate

Leading Seaman X-1

George Pravda

Capt. Erlich of the 'Lindendorf'

Rupert Davies

Vice Admiral Redmayne (uncredited)

Crew (8)

William A. Graham

Director

Guy Elmes

Screenplay

John C. Champion

Producer

Edmund H. North

Story

Paul Beeson

Cinematography

Ron Goodwin

Music

John C. Champion

Story

Donald S. Sanford

Screenplay