Elliott Lewis
— Narrator
Jean Willes
— Jean Trent
Morgan Farley
— Gus
Johnny Longden
— Jonnny Longden - Jockey
Robert Scott Howard
— Bob Howard
William Gould
— Tom Trent
John Beradino
— Trainer
Frank Dae
— Col. Waldron
Forrest J. Ackerman
— Man in crowd (uncredited)
Russ Conway
— Jockey (uncredited)
Hal J. Moore
— (uncredited)
Oscar Otis
— (uncredited)
Joe Hernandez
— Racetrack announcer