The stooges are policemen on the trail of a murderer. They unsuccessfully interrogate an Italian organ grinder, among other suspects, and then catch the bad guy after a gun fight that nearly destroys the police station.
Shemp Howard
as Shemp
Larry Fine
as Larry
Moe Howard
as Moe
Benny Rubin
as Antonio Zucchini Salami Gorgonzola dePizza
Ferris Taylor
as Chief of Detectives B.A. Copper
Phil Arnold
as Chopper
Murray Alper
as The Thrill Killer
Connie Cezon
as Slick Chick
Suzanne Ridgway
as Mail Clerk (uncredited)