Champion

Luis van Rooten

Jerry Harris

Harry Shannon

Lew

John Daheim

Johnny Dunne

Ralph Sanford

Hammond

Esther Howard

Mrs. Kelly

Bill Baldwin

Bill Brown (Ringside Broadcaster) (uncredited)

Sam Balter

Championship Fight Announcer (uncredited)

Don Brodie

Newspaper Reporter (uncredited)

Ralph Brooks

Newspaper Reporter at Benefit (uncredited)

Mushy Callahan

Referee Title Fight (uncredited)

Sayre Dearing

Newspaper Reporter at Benefit (uncredited)

Paul Dubov

Gangster (uncredited)

Jimmie Dundee

Tough Tramp in Boxcar (uncredited)

Joe Gray

Championship Fight Opponent (uncredited)