- Country: Mexico
- Genres: Comedy, Drama, Romance
- Release: 1949-07-16
- Director: Juan Bustillo Oro
- Writers: Juan Bustillo Oro , Paulino Masip
- Language: Spanish
- Stars: Fernando Soler , Mapy Cortés , Mapy Cortés , Luis Aldás , Fernando Cortés , Agustín Isunza , Queta Lavat , Lupe Inclán , María Gentil Arcos , Fanny Schiller , Max Langler
- Runtime: 111 min
- Awards: 1 nomination
- AKA: Las tandas del principal (Mexico) , Las tandas del principal
- Plot: Frivolous young dandy is trying to score with an operetta singer, but she ends up with his uncle.
- IMDB:tt0227595
Las tandas del principal Cast · · · ALL
Juan Bustillo Oro
Director
Mapy Cortés
Luis Aldás
Fernando Soler
Agustín Isunza
Fernando Cortés
Queta Lavat