Sixth part of Jerry Cotton movies. Agent Jerry Cotton infiltrates a big crime syndicate that is planning a major diamond heist.
| Actor | Role |
|---|---|
 George NaderJerry Cotton | Jerry Cotton |
 Heinz WeissPhil Decker | Phil Decker |
 Carl MöhnerBloom | Bloom |
 Silvia SolarLana | Lana |
 Claus HolmButt Lancaster | Butt Lancaster |
 Marlies DrägerMabel | Mabel |
 Karlheinz FiegeSanton | Santon |
 Günther SchrammTackley | Tackley |
 Dieter EpplerTomasio | Tomasio |
 Käthe HaackMrs. Cotton | Mrs. Cotton |
 Rainer BasedowFat | Fat |
| AAlbert BesslerSantons Butler | Santons Butler |
 Günter MackNot listed | Not listed |
| HHans WaldherrNot listed | Not listed |
 Rolf EdenNot listed | Not listed |
| RRichard HallerNot listed | Not listed |
 Claus TinneyNot listed | Not listed |
 Horst NiendorfNot listed | Not listed |
 Andrzej ZaorskiNot listed | Not listed |
 Pietro CeccarelliNot listed | Not listed |
| EErnest LenartNot listed | Not listed |
| UUdo KämperNot listed | Not listed |