Terence Hill

Kid

Bud Spencer

Ben

John Sharp

Jefe

Patty Shepard

Liza

Donald Pleasence

Doctor

Deogratias Huerta

Attila

Manuel de Blas

Paganini

Luis Barbero

Jeremias

Emilio Laguna

Director coral

Rafael Albaicín

Feriante

Roberto Alessandri

Ada Pometti

Chica 1

Inés Morales

Chica 2

Omero Capanna

Matón en la fiesta (uncredited)

Giovanni Cianfriglia

Boxeador (uncredited)

Rémy Julienne

Matón motorista (uncredited)

Rocco Lerro

Gimnasta (uncredited)

Osiride Pevarello

Gymnast (uncredited)

José Santa Cruz

Lefty (uncredited)

Pietro Torrisi

Gimnasta (uncredited)

Franco Ukmar

Gimnasta (uncredited)

Marcello Verziera

Boxeador (uncredited)