The rich and respected London doctor Roger Mills has invited six of his best friends onto his boat on the Thames - he won't survive the trip.
Charles RegnierPeter Finbow
Axel von AmbesserIan Capel
Hannelore ElsnerAvice LorringGiulia FollinaTonia GilmourVolkert KraeftWilliam Garnett
Jochen BusseChristopher Tarrent
Lina CarstensElisabeth TuftsCarlos WernerRoger Mills
Gerd BaltusSergeant Birrell
Axel ScholtzSergeant Frazer
Wolfgang WeiserDr. ParfittOswald DöpkeProfessor BoothbyHerbert SteinmetzInspector AllenUlrich GressiekerPhilip Wade