Horst Tappert
as Stephan Derrick
Fritz Wepper
as Harry Klein
Dirk Galuba
as Alfons Schwarzer
Gerhard Bormann
as Kriminalbeamter Echterding
Günther Stoll
as Schröder
Holger Petzold
as Coroner
Peter Bertram
as Albert Soderer
Willy Schäfer
as Willi Berger