Norman Wisdom
Norman
Ian Hunter
Admiral Sir Bryanston Blyth
David Lodge
Chief Petty Officer Knowles
John Le Mesurier
Prosecuting counsel
Terence Alexander
Defending Counsel
Michael Caine
Sailor in Cinema Fight (uncredited)
Oliver Reed
Teddy Boy in Cinema Fight (uncredited)
Robert Urquhart
Cmdr. Clayton
Edward Chapman
Mr. Philpots
Liz Fraser
NAAFI Girl
Penny Morrell
Marlene Barlow
Claire Gordon
Peggy - Girl in Bar
Julie Shearing
WRN Smith
Sheila Hancock
Doris
Rosamund Lesley
Peggy
Frank Williams
Mr. Carruthers
Johnny Briggs
Johnny Nolan
John Arnatt
Briggs (uncredited)