Roscoe Arbuckle
— Fatty
Mabel Normand
— Mabel
Edgar Kennedy
— Fatty's Pal
Alice Davenport
— Mabel's Mother
Glen Cavender
— Mabel's Father
Joe Bordeaux
— Cop (uncredited)
Frank Dolan
— Man Eating Pie (uncredited)
Bobby Dunn
— Ice Cream Vendor / Sideshow Game Operator (uncredited)
Billy Gilbert
— Blackface Man in Sideshow Game / Man Going Down Slide