Kpt. Tůma
Lieutenant Frantisek Líbal
Jindrich Kraus, director of the hotel
Kraus' wife called Isa
Dr. Vopálenský
laboratory assistant Mirek Zach
magician Bonhardi (Ladislav Valenta)
thief Josef Sesták
Lieutenant Jiri Florian
laboratory assistant Zdena Fisárková
witness Jirka Ruml
Ruml's girl
Krystofová
Golf player
Dancer
Dancer
Dancer
warehouseman Rendl
member of the VB
Inspektor
chief
Receptionist
Porter
stranger
Golf player
chief
old Mr. Mensík
Receptionist
Receptionist
Waiter
Lokvenc
bartender Lenka
stranger
Moravec
Lifftboy
Chief of the VB
Woman at interrogation
Fikjzlová - woman at interrogation
Rezácová - woman at interrogation
Stranger
Guest at the hotel
Sochor - man at interrogation
Pikolík