John Clements
— Lt. Dick Stacey
Leslie Banks
— Vice Adm. David Wetherby
Jane Baxter
— Celia Wetherby
Ann Todd
— Kay Gordon
Basil Sydney
— Capt. Fairfax
Edward Chapman
— Papadopoulos
Hugh Williams
— Wagner
Frank Pettingell
— Fields
Michael Wilding
— Lieut. Grant
Michael Rennie
— Lieut. Maxwell
Cecil Parker
— German Air Marshal
John Stuart
— Commdr. Hood
Frank Cellier
— Gen. Scarappa
Morland Graham
— C.P.O.Marsden
Charles Victor
— MacDermott
Hugh Burden
— Sub.Lt. Weatherby
Betty Marsden
— Jean
George Merritt
— Surgeon Comdr.
John Laurie
— Lt.Comdr. Reid
Charles Stuart
— Von Rittau
Clive Baxter
— Boy
Ian Fleming
— Colonel
Elizabeth Pengally
— Girl
Graham Penley
— Sailor
Charles Russell
— Sailor
Robert Brooks Turner
— German soldier[scene with Cecil Parker]
George Spence
— SS Officer (uncredited)