The Knockout
Obsada
Mack Sennett
Spectator / Man Outside Arena (uncredited)
Ford Sterling
Spectator (uncredited)
Charlie Chaplin
Referee (uncredited)
Al St. John
Boxer - Pug's Rival / Desk Sergeant / Cop (uncredited)
Charles Avery
Cop (uncredited)
Edward F. Cline
Cop (uncredited)
Luke the Dog
Edgar Kennedy
Cyclone Flynn (uncredited)
Glen Cavender
Society Singer (uncredited)
Edwin Frazee
Spectator / Society Singer / Cop (uncredited)
Rube Miller
Obnoxious Spectator (uncredited)
Frank Opperman
Fight Promoter (uncredited)
Slim Summerville
Spectator (uncredited)
Mack Swain
Gambler (uncredited)
Roscoe Arbuckle
Pug (uncredited)
Minta Durfee
Pug's Sweetheart (uncredited)
Alice Howell
Spectator / Party Guest (uncredited)
Wallace MacDonald
Spectator / Party Guest (uncredited)
Charley Chase
Spectator (uncredited)
Hank Mann
Tramp in Eyepatch / Cop (uncredited)
Harry McCoy
Society Piano Player (uncredited)