Norman Wisdom
Ordinary Seaman Norman Puckle
Acting
Ian Hunter
Admiral Sir Bryanston Blyth
Acting
David Lodge
Chief Petty Officer Knowles
Acting
Robert Urquhart
Commander Clayton
Acting
Edward Chapman
Mr. Philpots
Acting
Eddie Byrne
Petty Officer Filkins
Acting
Peter Jones
Diving Instructor
Acting
John Le Mesurier
Prosecuting Counsel
Acting
Terence Alexander
Defending Counsel
Acting
Sydney Tafler
Speedboat Owner
Acting
Brian Oulton
Bert Ainsworth
Acting
Harold Goodwin
Streaky Hopkinson
Acting
Johnny Briggs
Johnny Nolan
Acting
Frank Williams
Mr. Carruthers
Acting
Joe Robinson
Tall Sailor
Acting
Liz Fraser
NAAFI Girl
Acting
Penny Morrell
Miss Marlene Barlow
Acting
Claire Gordon
Blonde on Yacht
Acting
Julie Shearing
WRN Smith
Acting
Bosun
Bosun the Dog
Acting
John Arnatt
Briggs (uncredited)
Acting
John Bailey
Prisoner Escort (uncredited)
Sound
Alan Beaton
Commander (uncredited)
Acting
Michael Caine
Sailor in Cinema Fight (uncredited)
Acting
Rodney Cardiff
Sailor (uncredited)
Acting
Tony Castleton
Sailor (uncredited)
Acting
Cyril Chamberlain
Jimmy (uncredited)
Acting
Bill Cummings
Sailor (uncredited)
Acting
Roland Curram
Control Room Radio Operator (uncredited)
Acting
Larry Dann
New Dalton's Boy (uncredited)
Acting
Robert Desmond
Sailor on Bridge of Warship (uncredited)
Acting
Chick Fowles
Man in Cinema Queue (uncredited)
Acting
Tex Fuller
Sailor (uncredited)
Acting
Sheila Hancock
Doris (uncredited)
Acting
Imogen Hassall
Girl in Cinema Queue (uncredited)
Acting
Glyn Houston
Gym Instructor (uncredited)
Acting
Roy Lansford
Prisoner Escort (uncredited)
Acting
Rosamund Lesley
Peggy (uncredited)
Acting
Philip Locke
Teddy Boy in Cinema Fight (uncredited)
Acting
Keith Peacock
Sailor (uncredited)
Acting
Geremy Phillips
Audience Member (uncredited)
Acting
Bryan Pringle
Physical Training Instructor (uncredited)
Acting
Fred Real
Commander (uncredited)
Acting
Oliver Reed
Teddy Boy in Cinema Fight (uncredited)
Acting
William Roache
Space Centre Operator (uncredited)
Acting
Leonard Sachs
Yachtsman (uncredited)
Acting
Anthony Sagar
Instructor's Assistant (uncredited)
Acting
Arnold Schulkes
Sailor (uncredited)
Acting
Anne Scott
Polynesian Girl (uncredited)
Acting
John Tatham
Naval Officer (uncredited)
Acting