Kehä

Carl Brisson

'One Round' Jack Sander

Lillian Hall-Davis

Mabel

Ian Hunter

Bob Corby

Forrester Harvey

The Promoter

Harry Terry

The Showman

Gordon Harker

Jack's Trainer

Clare Greet

Fortune Teller (uncredited)

Tom Helmore

Spectator (uncredited)

Alfred Hitchcock

Man-Dipping Attraction Worker (uncredited)