Calificación
Reparto

Leslie Banks
Capt. Hyde

Kay Walsh
Alison Devar

Mackenzie Ward
Newton Hulls

Cecil Parker
Cmdr. Herbert

Simon Lack
Philip Hyde

Ellen Pollock
Margaret Hulls

Nigel Stock
Rudd

Kynaston Reeves
Prof Devar

Charles Eaton
Commander-in-Chief

Ian Fleming
Naval Intelligence Officer

Gordon Begg
Waiter

Robert Field
Insp. Blake

Peter Shaw
Lt. John Strepte