Abbott And Costello Meet Dr. Jekyll And Mr. Hyde (1953)

Two bumbling American cops in turn of the century London hunt for the monster"Mr.Hyde"..unaware that he is really "Dr.Henry Jekyll"(Boris Karloff)who has turned himself into the murderous creature with a serum...One of the cops"Tubby"(Costello)inadvertedly gets an injection of the drug and turns into a monster..which sends his pal"Slim"(Abbott)and all of Scotland Yard's officers on a zany chase after the real demon..Karloff and Costello don't appear in the final chase scenes..stunt men:Eddie Parker and Vic Parks perform those stunts.