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