Trivia

The first credited acting part for director Jean-Pierre Melville.

Many scenes were filmed in New York City at night, and in one scene can be a seen a theater marquee showing Separate Tables (1958) with Rita Hayworth, David Niven and Burt Lancaster, which was released in 1958.

Last role of Jean Darcante, Carole Sands, Ro. Tetelman, Jannick Arvel.

Film debut of Monique Hennessy, Glenda Leigh (her only role), Christiane Eudes (her only role), Michèle Bailly, Nancy Delorme (her only role), Gloria Kayser (her only role), Monica Ford (her only role), Deya Kent, Carl Studer, Hyman Yanovitz (his only role), Art Simmons, Jean-Pierre Darras, Bernard Hulin (his only role), Yannick Philouze, Martial Solal.

Pierre Grasset plays a character with the same name, "Pierre Delmas" in The Inheritor (1973).