Blonde Crazy is a 1931 American pre-Code romantic comedy-drama film directed by Roy Del Ruth and starring James Cagney, Joan Blondell, Noel Francis, Louis Calhern, Ray Milland, and Guy Kibbee. The film is notable for one of Cagney's lines, a phrase often repeated by celebrity impersonators: "That dirty, double-crossin' rat!"
Bert Harris works for a hotel as a bellboy. One day, he meets Anne Roberts, who signs up as a chambermaid. He takes a fancy to her and lets her in on his racket, conning people out of money. They arrange for married hotel guest A. Rupert Johnson Jr. to be caught in a compromising position with Anne and get $5000 to keep a (fake) policeman from taking him to jail. From there, they leave town and embark on ever grander crooked schemes.