The movie ends with an unusual very long fade to black of 1 minute and 20 seconds.
Only music goes on playing but the screen is strictly black.
Original literary source : "On n'enterre pas le dimanche", crime novel by Fred Kassak (Pierre Humblot), Editions de l'Arabesque (Collection Crime Parfait ? # 16), 1958, 224 pages, Grand Prix de Littérature Policière 1958).
Hella Petri's debut.