Alfredo Landa as Profesor Mussy

Antonio Ferrandis as Profesor Robertson

Jorge Rivero as Profesor Jorge Figueredo

Silvia Aguilar as Margarita

Ricardo Merino as Profesor Petrucelli

Hilda Aguirre as Dra. Doris Green

Alfonso del Real as Profesor Rosenberg

Angélica Chain as Helga

José Luis López Vázquez as Sr. Smith

Rafaela Aparicio as Madre de Margarita

Rebeca Silva as Dra. Birley

Guillermo Antón as Ayudante del Sr. Smith

Xesc Forteza as (as Xexc Forteza)

Fernando E. Romero as (as Fernando Romero)

Luis Barbero as Padre de Margarita

Bonet de San Pedro as

Sally Sitton as

María Bauza as

Sebastián Roses as

Ana Segura as

Miguel Llabres as

María Reus as

Juan Bonet as

Bernardo Morey as

Marga Luz as