Buster Keaton

Character: Projectionist / Sherlock, Jr.

Kathryn McGuire

Character: Girl

Joe Keaton

Character: Girl's Father / Man on Film Screen

Erwin Connelly

Character: Hired Man / Butler

Ward Crane

Character: Sheik / Villain

Doris Deane

Character: Girl Who Loses Dollar Outside Cinema (uncredited)

Christine Francis

Character: Candy Store Girl (uncredited)

George Davis

Character: Conspirator (uncredited)

Kewpie Morgan

Character: Conspirator (uncredited)

Steve Murphy

Character: Conspirator (uncredited)

John Patrick

Character: Conspirator (uncredited)

Betsy Ann Hisle

Character: Little Girl (uncredited)

Ford West

Character: Theatre Manager / Gillette (uncredited)