| Name | Character | Episodes |
|---|---|---|
| Francis Fulton-Smith | Gregor Kremp | 26 |
| Simon Schwarz | Fridolin | 26 |
| Michael Roll | Jochen Janssen | 1 |
| Herma Koehn | 1 | |
| Karl-Heinz Kreienbaum | 1 |
| Name | Character | Episodes |
|---|---|---|
| Francis Fulton-Smith | Gregor Kremp | 26 |
| Simon Schwarz | Fridolin | 26 |
| Michael Roll | Jochen Janssen | 1 |
| Herma Koehn | 1 | |
| Karl-Heinz Kreienbaum | 1 |