The score's main theme, "Jealous Lover" was to became known as "The Theme from The Apartment" when it was used as the main theme for Billy Wilder's "The Apartment (1960)".

The first film of Adrienne Corri.

Film debut of Christine Finn.

The partially obscured poem on the blackboard behind Arnold and Arlette is the third verse of P.B. Shelley's "Good-Night" poem. The complete verse is "To hearts which near each other move; From evening close to morning light, The night is good; because, my love, They never say good-night".