Cast e produzione
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Terence HillEliot Vance/Bastiano Coimbra de la Coronilla y Azevedo - Bud SpencerGreg Wonder/Antonio Coimbra de la Coronilla y Azevedo
- April CloughOlympia Chavez
- Harold BergmanManaging director of the "double agency"
- C.V. WoodOfficier de police
- Dary ReisChef des mercenaires
- Nello PazzafiniTango
- Jose Van de KampMajordome
- Fernando AmaralSecrétaire
- Roberto RoneyNadino
- Ataíde ArcoverdeVinicio
- Dennis BourkeDoctor
- E.B. ClucherRegista
- Vittorio GalianoProduzione
- Marco BarboniSceneggiatura