Mel Blanc
Porky Pig / Porky's Poppa / Grandpa / Horse Trainers / Race Starter (voice) (uncredited)
Joe Twerp
Race Commentator (voice) (uncredited)
Pinto Colvig
Teabiscuit /Porky's Car (voice) (uncredited)
Earle Hodgins
Auctioneer (voice) (uncredited)
