Kommissariat IX Gewußt wie (1975–1983) Online
- Original Title :
- Gewußt wie
- Genre :
- TV Episode
- Year :
- 1975–1983
- Directror :
- Wolfgang Schleif
- Cast :
- Herbert Steinmetz,Eva Manhardt,Hans Hessling
- Writer :
- Rolf Schulz
- Type :
- TV Episode
- Time :
- 24min
- Rating :
- 6.8/10
| Episode complete credited cast: | |||
 | Herbert Steinmetz | - | Kriminalrat Roth |
| Eva Manhardt | - | Ingrid Scholz (as Eva Mannhardt) |
| Hans Hessling | - | Kaske |
 | Friedrich von Thun | - | Dr. Cordell |
| Daniel Friedrich | - | von Klenk |
| Gisela Schneeberger | - | Fräulein Mai |
| Herbert von Boxberger | ||
| Gerhard Schinschke | ||
| Horst Schäfer | ||
| Klaus Tiedemann | - | Himself (as Prof. Dr. Klaus Tiedemann) |