Schauspieler:
Terence Hill (Bastiano Coimbra de la Coronilla y Azevedo / Eliot Vance), Bud Spencer (Antonio Coimbra de la Coronilla y Azevedo / Greg Wonder), April Clough (Olympia Chavez), C.V. Wood Jr. (Polizeichef), Nello Pazzafini (Tango), Harold Bergman (Managing director of the 'double agency'), Fernando Amaral (Sekretär), Dary Reis (Chef des mercenaires), Roberto Roney (Nadino), Athayde Arcoverde (Vinicio), José Van de Kamp (Majordome), Claudioney Penedo, Dennis Bourke (Doctor), Giancarlo Bastianoni (Mercenary / Tango's Thug), Carlos Kurt (One of the recruiters), Franco Sattamini (Mercenary / Tango's Thug), Sergio Smacchi (Mercenary / Tango's Thug), Franco Ukmar (Tango's Thug)

Regie:
Enzo Barboni

Drehbuch:
Marco Barboni

Kamera:
Silvano Ippoliti, Hélio Silva

Musik:
Franco Micalizzi