Sherlock Jr.

A film projectionist longs to be a detective, and puts his meager skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.

• 
  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)
• 
  George Davis

  Conspirator (uncredited)
• 
  Kewpie Morgan

  Conspirator (uncredited)
• 
  Steve Murphy

  Conspirator (uncredited)
• 
  John Patrick

  Conspirator (uncredited)