Lester
Rod Dana
Alicia Brandet
Lino Ranieri
Enrico Manera
Françoise Fioretti
Giovanni Ivan Scratuglia
Antonio Casale
Maria Pia Zambelli
Francisco Cebrián
British Counterspy Chief
Tom Felleghy
Moisés Augusto Rocha
Dr. Krauss
Luciano Rossi
Lester's Chief
John Stacy
George King
José Bódalo
María Badmajew
Mónica Randall
Sonja Romanoff
King's Lawyer
Demofilo Fidani
Piero Morgia
Francesco Tensi
Director
Mino Guerrini
Screenplay
Alfonso Balcázar
Screenstory
Attilio Riccio
Original Music Composer
Federico Martínez Tudó
Mario Sensi
Director of Photography
Aldo Scavarda