Clark Gable
Mike Brannan
Barbara Stanwyck
Regina Forbes
Adolphe Menjou
Gregg
Will Geer
Jack Mackay
Roland Winters
Dwight Barrington
William C. McGaw
Joie Chitwood
Lela Bliss
Regina's Secretary
Emory Parnell
Mr. Wendall
Frank Jenks
Press Agent
Helen Spring
Janie
Bill Hickman
Mike's Pit Crew
Lewis Smith
Mike's Pit Crew
Ted Husing
Himself
Bess Flowers
Racetrack Spectator (uncredited)
Byron Foulger
Shoe Fitter (uncredited)
John Gallaudet
IMRA Promoter (uncredited)