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

Sally Sitton

María Bauza

Sebastián Roses

Ana Segura

Miguel Llabres

María Reus

Juan Bonet

Bernardo Morey

Marga Luz