Atlantic Wall
1944. Léon Duchemin owns a restaurant with his sister. His clients are Germans, Résistance et black marketeers. Léon unwillingly joins the Résistance when a British pilot is shot down and hides in his attic and, through a series of mishaps, he accidentally steals the plans for Hitler's V1 missiles.
Bourvil
Léon Duchemin, Norman restaurateur
Sophie Desmarets
Maria Duchemin, sister of Léon
Peter McEnery
Jeff, the downed British airman
Sara Franchetti
Juliette Duchemin, daughter of Léon
Jean Poiret
Armand, resistance leader and double agent
Reinhard Kolldehoff
Lieutenant Heinrich Jakobus Steinbichler aka 'Totor'
Pino Caruso
Lieutenant Friedrich, Rommel's driver
Terry-Thomas
Commander Perry of British HQ
Roland Lesaffre
Fake resistance fighter full of tics
Jacques Balutin
Resistant gendarme
Robert Le Béal
Officer of the British HQ
Jacques Préboist
Ernest
Jess Hahn
British colonel
Guy Delorme
German sailor
Jackie Sardou
Angèle Charlus, wife of the painter
Frank Williams
Clergyman
Jean-Pierre Zola
Colonel Muller
Georges Staquet
Hippolyte, leader of the resistance
John Eppler
Erwin Rommel
Patrick Préjean
Officer of the British HQ
Annabel Leventon
Sybil, British non-commissioned officer
Janine Dill
Passerby
Antoine Baud
Feldgendarme
Anthony Stuart
Officer of the British HQ
Pierre Decazes
SS soldier
Roger Lumont
French chef in London
Michel Robin
Shoemaker of shoes for Rommel
Rudy Lenoir
German non-commissioned officer
Jean Rupert
British HQ order
Fernand Guiot
German corporal of 'Totor'
William Mervyn
Protestant Bishop, Jeff's father
Billy Kearns
Training camp commander
Marcel Gassouk
German corporal
Jean Moulard
Gestapo policeman
Gerald Campion
Clergyman
Peter Myers
Colonel in the R.A.F.
Roger Guillo
Prunier, cook in London
Paul Savatier
Prison guard
Roger Mailles
Gendarme
Bernard Saint-Jacques
SS soldier
Gilbert Roimarmier
German non-commissioned officer
René Rall
Gestapo policeman
Roger Trapp
Tramp in prison
Guy Allombert
German officer
Bill Horsley
R.A.F. orderly
Yvon Lec
Gédéon Charlus
Jacques Marbeuf
German non-commissioned officer
Rico López
Albert
Norman Mitchell
Bobby
Stephen Yardley
Bobby
Maurice Auzel
British soldier (uncredited)