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 Wallace
Frank Harvey
Campbell Copelin
Thelma Scott
Harold Meade
Marshall Crosby
Nick Morton
Guy Hastings
Norman Shepherd
Stan Ray
John Dobbie
D'Arcy Kelway
Noel Boyd
Dan Thomas
Marie La Varre
Dora Mostyn
Frank Crowther
Arthur Lyster
Milton Royce