Buster Keaton
Projectionist / Sherlock, Jr.
Kathryn McGuire
The Girl
Joe Keaton
The Girl's Father / Man on Film Screen
Erwin Connelly
The Hired Man / The Butler
Ward Crane
The Local Sheik / The Villain
Doris Deane
Girl Who Loses Dollar Outside Cinema (uncredited)
Christine Francis
Candy Store Girl (uncredited)
George Davis
Conspirator (uncredited)
Kewpie Morgan
Conspirator (uncredited)
Steve Murphy
Conspirator (uncredited)
John Patrick
Conspirator (uncredited)
Betsy Ann Hisle
Little Girl (uncredited)
Ford West
Theatre Manager / Gillette (uncredited)
Jane Connelly
The Mother (uncredited)
