Carl Brisson character 'One-Round' Jack Sander
Lillian Hall-Davis character Mabel
Ian Hunter character Bob Corby
Forrester Harvey character The Promoter
Harry Terry character The Showman
Gordon Harker character Jack's Trainer
Clare Greet character Fortune Teller (uncredited)
Tom Helmore character Spectator (uncredited)
Alfred Hitchcock character Man-Dipping Attraction Worker (uncredited)
