Wilfrid Brambell (Mr. Palmer Senior) was four years younger than Sir John Mills (Jacko Palmer).

Although filmed and released in the U.K. in Eastman Color, U.S. theatrical release prints were in black-and-white.

Credited theatrical movie debut of Johnny Sekka (Peter Lincoln).

Based on the television play "Hot Summer Night", shown in in 1959 as part of ITV's long-running Armchair Theatre (1956) series.

The fourth and last of the J. Arthur Rank Organisation's handful of movies in CinemaScope.

Sir John Mills and Brenda de Banzie appeared in Hobson's Choice (1954).