 Roger BrowneDouglas Gordon | Douglas Gordon |
 Helga LinéKarin | Karin |
| MMiguel de la RivaRudy Schwartz (as Michael Rivers) | Rudy Schwartz (as Michael Rivers) |
 Franco ResselAlbert Kowalski / Ms. Kastiadis | Albert Kowalski / Ms. Kastiadis |
 Rosalba NeriAmalia | Amalia |
 Andrea ScottiWalter | Walter |
 Susan TerryAisha | Aisha |
 Mila StanićMagda | Magda |
| PPeter BladesJimmy | Jimmy |
| DDario De GrassiNot listed | Not listed |
| FFrancesca RosanoSinger in Paris | Singer in Paris |
 Giorgio UbaldiHarry | Harry |
 Beni DeusManuel, Truck driver (as Beny Deus) | Manuel, Truck driver (as Beny Deus) |
 Franco LantieriJosé (as Frank Liston) | José (as Frank Liston) |
 Ángel MenéndezKurt, Thug in Helicopter | Kurt, Thug in Helicopter |
| LLeu Lii YoungLao Pat, Vietcong agent | Lao Pat, Vietcong agent |
| CCheu Yea Hong2nd Vietnamese Agent | 2nd Vietnamese Agent |
 Enzo AndronicoMonsieur Lapipi | Monsieur Lapipi |
 Antonio GradoliGordon's boss (as Anthony Gradwell) | Gordon's boss (as Anthony Gradwell) |
 Umberto RahoTourist in Paris | Tourist in Paris |
 Alfonso RojasSancho | Sancho |
| MMaria BarbaNot listed | Not listed |
 Rossella BergamontiNot listed | Not listed |
| WWally SeeberNot listed | Not listed |
 Jeff CameronThug | Thug |
 Osiride PevarelloThug | Thug |
 Renzo PevarelloThug | Thug |
