Unit 13 Onder water (1996–1999) Online
- Original Title :
- Onder water
- Genre :
- TV Episode / Crime / Drama
- Year :
- 1996–1999
- Directror :
- Guido Pieters
- Cast :
- Peter Tuinman,Yvonne van den Hurk,Frederik de Groot
- Writer :
- Jan Bernard Bussemaker,Tomas Ross
- Type :
- TV Episode
- Rating :
- 6.6/10
| Episode credited cast: | |||
 | Peter Tuinman | - | Ruard Talsma |
| Yvonne van den Hurk | - | Adrienne Rieding |
 | Frederik de Groot | - | Ben Govers |
| Kenneth Herdigein | - | Harry Bresler |
| Han Oldigs | - | Amati |
| Mark Ram | - | Arthur J. 'Kinky' Blomschot |
| Caya de Groot | - | Rebecca de Leeuw |
 | Bram van der Vlugt | - | Bilderdijk |
| Ramona Da Cruz Lopes | - | Josien |
| Annebelle van Zweden | - | Jessie |
| Rest of cast listed alphabetically: | |||
| Luc Boyer | - | Charon |
| Reinout Bussemaker | - | Den Dolder |
| Kees Coolen | - | Aarts |
 | Leslie de Gruyter | - | Koops |
| Niels De Jong | - | Ronald |