Tommy Trinder
— Tommy Turk
James Mason
— Ted Robbins
Philip Friend
— Bob
Mervyn Johns
— Sam
William Hartnell
— Brookes
Finlay Currie
— District Officer McFarlane
Philippa Hiatt
— Nan
Meriel Forbes
— Susie
Beatrice Varley
— Ma Turk
Norman Pierce
— Pa Robbins
Muriel George
— Ma Robbins
Julian Vedey
— Lou Freeman
Richard George
— P.C. O'Brien
H Victor Weske
— Peters
Leslie Harcourt
— Barman
Lesley Brook
— June
Frederick Culley
— Vicar
Stanley Lathbury
— Verger
Johnnie Schofield
— Milkman
Leo Genn
— Off-Screen Narrator (uncredited)
Andreas Malandrinos
— Mr. Vanetti (uncredited)
Frederick Piper
— Police Sergeant (uncredited)
Charles Victor
— Bill - Dunkirk Survivor (uncredited)
Ralph Michael
— Dunkirk Survivor (uncredited)
John Salew
— Landlord (uncredited)
Ben Williams
— Head of the Rescue Squad (uncredited)
Stanley Escane
— Choirboy (uncredited)
Peter Noble
— Auxiliary Fireman (uncredited)
Grace Arnold
— Canteen Lady (uncredited)