| Name | Character | Episodes |
|---|---|---|
| Tim Wilde | Peter Falk | 22 |
| August Schmölzer | Kaspar Immler | 2 |
| Gaby Dohm | Eva Brandl | 1 |
| Michael König | Korbinian Nigglhuber | 1 |
| Dietrich Mattausch | Arthur Brandl | 1 |
| Simone Rethel | Christiane Heindel | 1 |
| Thomas Limpinsel | Ferdinand Schrammel | 1 |
| Sabine Vitua | Regine Pirek | 1 |
| Wookie Mayer | Anna Loesl | 1 |
| Bettina Redlich | Henriette Schwalb | 1 |
| Ferdinand Dörfler | Bernd Hochstetter | 1 |
| Claus Obalski | Josef Fichtel | 1 |
| Marcus Calvin | Lothar Specht | 1 |
| Francis Fulton-Smith | Felix Zirberl | 1 |