First German film shown on TCM's "Noir Alley" on 14 December 2024.
The dump truck Robert drives is a French-made Unic Verdon.
By the front door of his cabin, Robert has a poster for a concert performed by Nat 'King' Cole with Quincy Jones and his band on their tour of Europe in 1960.
The film was shot in Lautzenhausen, Germany. Its sets were designed by the art director Gabriel Pellon. Location shooting took place at Hahn Air Base, and interiors filmed at the Tempelhof Studios in Berlin.