El entusiasmo

Maribel Verdú

Isabel

Álvaro Escobar

Fernando

Álvaro Rudolphy

Guillermo

Carmen Maura

Maria

Angel Lattus

Professor Ulmenes

Gianfranco Levrini

Miguel

Sebastian Achaval

Christian

Héctor Aguilar

González 1

Rafael Ahumada

González 'the other one'

Tomás Vidiella

Elegant Grey-haired man

Diego Muñoz

Teen Fernando

Hans Biel

Teen Guillermo