Bach the Detective (French: Bach détective) is a 1936 French comedy film directed by René Pujol and starring Bach, Ginette Leclerc and Paul Bernard. The film's sets were designed by the art director Emile Duquesne.
Narcisse works as a doorman for a firm of jewellers, but dreams of becoming a private detective. Het gets his break when he is employed by a detective agency and is able to clear the nephew of his former boss who has been wrongly accused of theft.