Morland Graham
— Old Bill
John Mills
— Young Bill
Mary Clare
— Maggie
Renée Houston
— Stella Malloy
Rène Ray
— Sally
Gus McNaughton
— Alf
Ronald Shiner
— Bert
Manning Whiley
— Chimp
Janine Darcey
— Françoise
Roland Culver
— Colonel
Donald Stuart
— Canuck
Nicholas Phipps
— BBC Reporter
Allan Jeayes
— Willoughby
Ian Fleming
— Club Member (uncredited)
Philip Friend
— (uncredited)
Arthur Hambling
— Shelter Delivery Man
Edward Lexy
— Soldier
Al Millen
— Lance Corporal
Bill Shine
— Pub Customer
Percy Walsh
— Gustave
John Warwick
— Recruiting Officer
Ben Williams
— Policeman
George Spence
— Old Soldier (uncredited)