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
