After reading in the newspaper, Úrsulo runs to seek employment. It is the position of caretaker of a luxury apartment building habited by people more heterogeneous: the professional model, the spiritualist, hippies and all turn to him to solve their problems. But someone in the building, kidnapped an important person and Úrsulo becomes a private investigator.
Cantinflas
as Ursulo
Claudia Islas
as Jackie
Raquel Olmedo
as Clodomira
Jesús Salinas
as Lic. Silverio Rojas (Rojitas)
Carlos Riquelme
as Administrador González
Bertha Moss
as Señora Candy
Eugenia Avendaño
as Señora Margo
Ricardo Carrión
as Danny
Gloria Mayo
as Lisa
Eduardo Alcaraz
as Lic. Rufino
Diana Torres
as Domitila
Gerardo del Castillo
as Melesio Martínez
