The Champion

Charlie Chaplin

Challenger

Edna Purviance

Trainer's Daughter

Ernest Van Pelt

Spike Dugan

Lloyd Bacon

Second Sparring Partner / Exerciser in Gym / Referee

Leo White

Crooked gambler

Carl Stockdale

Sparring Partner

Billy Armstrong

Sparring Partner

Paddy McGuire

Sparring Partner

Bud Jamison

Bob Uppercut, Champion

Ben Turpin

Ringside vendor

Fred Windemere

Cop

Henry Youngman

Bit Role

Gilbert M. Anderson

Enthusiastic Fan (uncredited)