- William Holden
- Captain David Ross
- Sophia Loren
- Stella
- Trevor Howard
- Captain Chris Ford
- Oscar Homolka
- Captain Van Dam
- Kieron Moore
- Kane
- Bernard Lee
- Cmdr. Wadlow
- Beatrix Lehmann
- Housekeeper
- Noel Purcell
- Hotel Porter
- Bryan Forbes
- First Mate Weaver
- Sidney Vivian
- Grogan
- Rupert Davies
- Baker
- Russell Waters
- Sparks
- Irene Handl
- Clerk
- John Crawford
- American Captain
- Jameson Clark
- English Captain
- Carl Möhner
- Philip Westerby (in photo)
- James Hayter
- Locksmith
- Sam Kydd
- Sailor
- Bart Allison
- Seaman on W88
- Belita
- Canteen Hostess
- Michael Caine
- Seaman
- Pauline Chamberlain
- Woman Dancing at Forces Centre
- Keith Faulkner
- Seaman on W88
- Renee Houston
- Canteen Worker
- Aileen Lewis
- Woman With Baby in Air Raid Shelter
- Richard Neller
- Officer in Operations Room
- Ljubica Otasevic
- Stella (Sophia Loren doubling)
- Ernie Rice
- Officer in Operations Room
- Robert Rietty
- Dubbing
- Guy Standeven
- Policeman
- John Tatham
- Salvage Unit Captain
- Reg Thomason
- Soldier at Dance
