Cast
Hal «Chopper» Donovan, aka Hal Smith
Katherine «Kay» Conrad
Spider
Bill «One-Punch» Fagin
Slug Cassidy
Dickie Martin
Meggs, the Reporter
Jim Conrad
Monk, Tall KidDuncan Fella - Hal's Dog Lady, Kay's Dog 
Fritz, not listed in creditsLee, not listed in credits 
Health Camp Man / Fight Spectator, not listed in credits1st Tramp, not listed in credits 
Health Camp Man, not listed in credits
2nd Ring Announcer, not listed in credits
Health Camp Instructor, not listed in credits
Health Camp Man / Fight Spectator, not listed in creditsReferee, not listed in credits Health Camp Man, not listed in credits 2nd Tramp, not listed in credits 
Brunt, not listed in creditsDoctor, not listed in credits 