Richard Haydn was a British-American comedy actor. Some of his better known performances include his roles as Professor Oddley in Ball of Fire (1941), Roger in No Time for Love (1943), Thomas Rogers in And Then There Were None (1945), Emperor Franz Joseph in The Emperor Waltz (1948), the Caterpillar in Alice in Wonderland (1951), Baron Popoff in The Merry Widow (1952), William Brown in Mutiny on the Bounty (1962), and Max Detweiler in The Sound of Music (1965).

Ball of Fire is a 1941 American screwball comedy film directed by Howard Hawks and starring Gary Cooper and Barbara Stanwyck. The Samuel Goldwyn Productions film concerns a group of professors laboring to write an encyclopedia and their encounter with a nightclub performer who provides her own unique knowledge. The supporting cast includes Oscar Homolka, S. Z. Sakall, Henry Travers, Richard Haydn, Dana Andrews, and Dan Duryea.