"A shy and humble young man overcomes his fears and becomes a racing champion."
Ricardo Passano
as Martin Hernández / Zapatilla
Nelly Darén
as Nélida
Mario Medrano
as Amigo Martin
Mario Baroffio
as Don Pietro
Oscar Villa
as Técnico acompañante
Domingo Márquez
as Amigo Martin 2
María Luisa Santés
as Doña Carolina
Semillita
as Manchagrasa
Luis Laneri
as
Roberto Real
José A. Vázquez
Rodolfo Crespi
Diana Wells
Jorge Villoldo
Élida York
Francisco Monet
Roberto Durán
Alberto del Solar
Francisco Lizzio
Arturo Roa
Alberto Pardo
Oscar Márquez
Antonio Capuano
Armando Parente
Dionisio Elía
Ermete Meliante
Jorge L. Fossati
Carmelo Capocci
José Sereno
Jorge de Crespi
Johnson Bertolucci
Aníbal Reyna
Alberto Sozzi
Ricardo Lorenzo
Fioravanti
Héctor Peire
Tito Martínez
Juan Gálvez
Abel López Chas
Art Direction
José Cardella
Editor
Enrique Carreras
Producer
Julio César Lavera
Cinematography
Screenplay
Carlos Torres Ríos
Director
Adaptation
Astor Piazzolla
Music