After being fired from his job at a grocer, George, gets a job as a stableboy at a local stud farm run by the Fleming family. He befriends the horse Hotspur who is a favourite to win the Melbourne Cup, and develops a strong whistle which is used to make the horse run fast.
George
Brian Winters
Harvey Walls
Dorothy Fleming
Mr. Fleming
Mr. Summers
Nick
Mr. Coyle
A Crook
A stablehand
A stablehand
A Farmer
Harvey's Secretary
A Crook
Mrs. Doyle
Mrs. Carter
Slade
Head Waiter