Roscoe 'Fatty' Arbuckle
Fatty
Minta Durfee
Fatty's Sweetheart
Al St. John
Fatty's Rival
Frank Hayes
One Lung
Charley Chase
Fight Spectator / Man at the Dance (uncredited)
Dixie Chene
Social Club Girl (uncredited)
Edward F. Cline
Gymnasium Man (uncredited)
Harry McCoy
Pianist (uncredited)