Non c'è due senza quattro

Terence Hill

Elliot Vance / Sebastiano Coímbra

Bud Spencer

Greg Wonder / Antonio Coímbra

April Clough

Olympia Chavez

Harold Bergman

Double Agency Director

C.V. Wood Jr.

Police Officer

Dary Reis

Van der Bosch

Nello Pazzafini

Don Tango

José Van de Kamp

Bernardo

Fernando Amaral

Ángel Duarte

Roberto Roney

Nadiño

Ataíde Arcoverde

Vinicio

Claudioney Penedo

Don Tango's Boss

Dennis Bourke

Albert von Eisenburg

Giancarlo Bastianoni

Tango's Thug / Mercenary (uncredited)

Sergio Smacchi

Tango's Thug / Mercenary (uncredited)

Franco Ukmar

Tango's Thug (uncredited)