Teen-aged Tonyhas never known who is father is. Together with his best buddies Peter and Susan, he tracks down the clues he has as well as he can.
| Actor | Role |
|---|---|
 Christopher MitchumJohannes / Elefanten-Joe Thalberg | Johannes / Elefanten-Joe Thalberg |
 Angela AlvaradoAngela | Angela |
 John HillermanPfarrer | Pfarrer |
 Julia KentKX 3 | KX 3 |
 Corinna DrewsIda | Ida |
 Amadeus AugustAnführer der Spione | Anführer der Spione |
 Käte JaenickeGundula | Gundula |
| JJohn van DreelenGeyer | Geyer |
 Ernest BorgnineBischof | Bischof |
 Arthur BraussColonel | Colonel |
 Rüdiger BahrKarl | Karl |
 Robi Draco RosaPeter | Peter |
 Bentley MitchumTony | Tony |
 Art MetranoAgent 712 | Agent 712 |
 Otto RetzerSecretary of Bishof | Secretary of Bishof |