Drop the Curtain
Abajo el telón (original)
Cantinflas, who owns a cleaning business, cleans the windows of the house of a famous French actress. While carrying out his work he observes how a man steals one of the famous actress necklaces, but he can only see his back.
Starring Cantinflas, Beatriz Saavedra, Christiane Martel, Alberto Catalá, Víctor Alcocer, Tito Novaro, María Herrero, Alejandro Ciangherotti, Rafael Alcayde, Miguel Manzano
It's a comedy movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Singapore.