Cast & crew
Sing! Inge, Sing! (2011)
Directed by Marc Boettcher Written by Marc Boettcher
Cast
| Marc Boettcher | Himself |
| Udo Jürgens | Himself |
| Klaus Doldinger | Himself |
| Wolfgang Dauner | Himself |
| Dieter Finnern | Himself |
| Joy Fleming | Herself |
| Dusko Gojkovic | Himself |
| Max Greger | Himself |
| Knut Kiesewetter | Himself |
| Roland Kovac | Himself |
| Paul Kuhn | Himself |
| Ottokar Runze | Himself |
Crew
| Oliver Staack | Cinematography |
| Marc Boettcher | Director |
| Marc Boettcher | Producer |
| Marian Piper | Editor |
| Marc Boettcher | Writer |