A mysterious diver hiding in Amsterdam's canal system embarks on a rampage of gruesome murders, terrifying city officials and leaving few clues for the city's best detective, who doesn't suspect that both his new girlfriend and twelve-year-old daughter may be closer than he is to finding the killer.
| Actor | Role |
|---|---|
 Huub StapelEric Visser | Eric Visser |
 Monique van de VenLaura | Laura |
 Serge-Henri ValckeVermeer | Vermeer |
 Lou LandréChef | Chef |
 Tatum DageletAnneke Visser | Anneke Visser |
 Jaap StobbeTaxi Driver | Taxi Driver |
 Bert HaanstraConductor | Conductor |
 Tanneke HartzuikerPotter | Potter |
| WWim ZomerJohn | John |
 Hidde MaasMartin Ruysdael | Martin Ruysdael |
| EEdwin BakkerWilly | Willy |
| BBarbara MartijnProstitute | Prostitute |
 Leontine BorsatoGirl in Gumboat | Girl in Gumboat |
 Jules CroisetMayor | Mayor |
 Gerard van EssenDriver | Driver |
 Helmert WoudenbergChief Officer | Chief Officer |
 Pieter LutzSkipper | Skipper |
 Paul van SoestManager Diving Club | Manager Diving Club |
| LLettie OosthoekTramp | Tramp |
| RRoelant RadierMedical Examiner | Medical Examiner |
 Hans DageletSuspect | Suspect |
 Don DuynsBoy on Houseboat | Boy on Houseboat |
 Hans BeijerMunicipal Cleaner | Municipal Cleaner |
 Door van BoeckelManiac | Maniac |
| JJeroen BosmaDetective | Detective |
| FFreark SminkDoctor | Doctor |
| MMira de VriesNurse | Nurse |
 Bert LuppesDriver | Driver |
| SSimone EttekovenSalvage Soldier | Salvage Soldier |
 Inge IpenburgCanal Guide | Canal Guide |