Director/a
Edward Laemmle
DIRECTOR/A
Reparto (por orden de créditos)
Reginald Denny
Kane Halliday
Billy Sullivan
Kid Roberts (Fourth Series)
Hayden Stevenson
Joe Murphy - Fight Manager
Sam J. Ryan
Dummy Carney (First Series)
Charles Ascot
Tin Ear Fagan
Sam McVey
Roberts' Trainer
Helen Toombs
Irene Gresham - Halliday's Fiancée
Brian Darley
J. Howard Gresham - Irene's Father
Warren Cook
John Halliday - Kane's Father
Doreen Banks
Estelle Van Horn (Payment Through the Nose, First Series)
Carl Axzelle
Danny Morgan (Round Two, First Series)
Edgar Kennedy
Ptomaine Tommy
Norma Shearer
Rose Del Mar (Round Five, First Series)
Fay Tincher
ACTOR
Velma Connor
Jules Cowles
Fight Spectator(uncredited)