Trivia: In the famous scene when Don Lockwood is singing in the rain, apparently Gene Kelly (Don) was suffering from a fever.
Trivia: Son of Paleface was one of the few sequels to a film to be more popular than its predecessor.
Trivia: The only Tom and Jerry cartoon to be animated by one animator.
Trivia: Many of the actors in this film were related. Barry Fitzgerald and Arthur Shield were brothers. Charles and James Fitzsimons were Maureen O'Hara's real-life brothers (Fitzsimons was her real surname), and Francis Ford was director John Ford's brother. In the race scene where Maureen O'Hara is in a hay wagon, the four people with her are John Wayne's children. Patrick and Melinda in the wagon with O'Hara, Michael and Toni stand next to the wagon.
Trivia: During the show, there is a hair that gets caught in the projector that is removed by Poochini before continuing his performance. The joke was so realistic that many projectionists attempted to remove the hair themselves, not realising that it was part of the cartoon.
Trivia: This was the first cartoon in which Wile E. Coyote had a speaking role.
Trivia: The soup crate that the coyote uses for the "free drink of water" trap has "Harris Soup" on the side - a reference to the Warner Brothers animator Ken Harris.