One of Tony and Brad's best with the boys on the hunt for a treasure of missing LSD that has been stolen by a criminal organization. Their quest eventually leads the boys to far-off desert oil ruins where much of the film's best action occurs.
| Actor | Role |
|---|---|
 Tony KendallKommissar X | Kommissar X |
 Brad HarrisCapt. Tom Rowland | Capt. Tom Rowland |
 Olga SchoberováLeyla Kessler | Leyla Kessler |
 Christa LinderGisela | Gisela |
 Dietmar SchönherrAllan and George Hood | Allan and George Hood |
 Herbert FuxEddie Shappiro | Eddie Shappiro |
 Sabine SunJoyce Sellers | Joyce Sellers |
 Rossella BergamontiJenny Carter | Jenny Carter |
| EEmilio CarrerInsp. Rebat | Insp. Rebat |
 Carlo TamberlaniKonsul Snyder | Konsul Snyder |
 Rudolf ZehetgruberAlmann | Almann |
 Andrea AureliNot listed | Not listed |
 Samson BurkeNot listed | Not listed |
 Sal BorgeseNot listed | Not listed |
 Roberto MessinaNot listed | Not listed |
 Jeff CameronNot listed | Not listed |