Calificación
Reparto

John Mills
Lt. Cmdr. Armstrong

Richard Attenborough
Stoker Snipe

Nigel Patrick
Lt. Manson

George Cole
ERA Marks

Bernard Lee
Cmdr. Gates

Peter Hammond
Sub-Lt. Oakley

Andrew Crawford
Sub-Lt. J. McFee

Michael Brennan
CPO Barlow

Frank Coburn
Leading Seaman Brough