The Case Is Not Yet Closed

Ladislav Pešek

Karel Chládek

Vladimír Hlavatý

Janitor

Jaroslav Marvan

Zouplna

Felix le Breux

Director

Miloš Nedbal

Ing. Karel Vlach

Ferdinand Krůta

Laboratory

Mirko Musil

Policeman

Jan Maška

Investigator #1

Miloš Vavruška

Investigator #2

Zdeněk Jelínek

Guest

Karel Krautgartner

Musician

Jiří Verberger

Hudebník-pianista

Karel Turnovský

Drummer

Adolf Šmíd

Trumpetista

Josef Steigl

Antonín Zíb

Commentary (voice)