"Willie Joy gets mixed up in the shady world of dog racing"
At the racetrack, cleaner, Willy Joy is tricked into buying Lindy Lou, a useless greyhound, who's not too healthy either. While getting the dog back in shape, Willy crosses paths with a gang of crooks who's specialty is fixing the races with doped dogs.
Willie Joy

Captain Jack Montague

Blagg

Bert Benton

Susan Storer

Lord Reginald Cranfield

Vincent

Lady Emily Cranfield

John Wyndham

Max, 1st Commentator

Carruthers

Plug Ugly

Marlene
Blenkinsop
Haines

Smithers

Dog Track Crowd
Unknown Role