Générique complet
Le Ring
Carl Brisson
'One Round' Jack Sander
LD
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)
