Trivia: Not really a mistake, given the need for drama in a war film, but the mission takes place the evening before D-Day, meaning the Allies had complete air supremacy, and knew the exact time, date and place of the meeting of the German officers, this mission would never have taken place. The brightly lit chateau would have been flattened by a squadron of heavy bombers. Lee Marvin, an experienced combat veteran, pointed this out to the producers and was told to keep his opinions to himself.
Trivia: When Luke escapes for the first time, he is being chased by a loose dog dragging a leash. Luke jumps over all kinds of obstacles to make it tougher for the dog chasing him. Finally, Luke dives off a bridge into a stream. In the theatrical version, the dog also jumps off the bridge, but the leash gets caught on the bridge and the dog gets hung.Quite a shocking sight. In the videotape and other releases, the dog boss (Anthony Zerbe) claims the dog died from exhaustion, you never see the dog get hung.
Trivia: There is a scene in the Drayton home where Joey tells John that the tiny statue of her Father that he is holding, was made by her mother. That statue is indeed of Spencer Tracy and was actually made and given to him by Katharine Hepburn.
Trivia: After Elaine screams and landlord Norman Fell comes to Benjamin's door, one of the boarding-house kids asks, "Should I get the cops?" Look closely: That kid is Richard Dreyfus.
Trivia: When Frankenstein and Hertz are finishing their evening meal at the cafe, Hertz eats only one pea with a glass of Champagne. Cushing begins to go out of character, struggling not to laugh when Hertz shakes the empty bottle. (00:25:20)
Trivia: As noted in her memoir 'My Life with Bonnie and Clyde', upon seeing the movie, the real Blanche Barrow described the on screen Blanche saying, "That movie made me out like a screaming horse's ass."
Trivia: Norman Jewison asked Rod Steiger to chew gum when playing the role of Gillespie. Steiger resisted at first but then grew to love the idea, and went through 263 packs of gum during the shooting of the film.
Trivia: Ann Bell plays Mrs. Dare, the mother of Pamela Dare (Judy Geeson). In real life, Bell is only ten years older than Geeson.