Cast
| Name | Character | Team | |
|---|---|---|---|
 |
Vladimír Ráž | Dr. Václav Pánek | Unowned |
 |
Václav Voska | Dr. Vladimír Gajdos | Unowned |
 |
Irena Kačírková | Dr. Lída Kafková | Unowned |
 |
Rudolf Deyl | Sebek - captain of SNB | Unowned |
 |
Zora Polanová | Marie Bosáková - assistant | Unowned |
 |
Jan Pivec | Driver Hába | Unowned |
 |
Ladislav Pešek | Karel Chládek | Unowned |
 |
Vladimír Hlavatý | Janitor | Unowned |
 |
Jaroslav Marvan | Zouplna | Unowned |
 |
Felix le Breux | Director | Unowned |
 |
Miloš Nedbal | Ing. Karel Vlach | Unowned |
|
Ferdinand Krůta | Laboratory | Unowned |
|
Mirko Musil | Policeman | Unowned |
|
Jan Maška | Investigator #1 | Unowned |
 |
Miloš Vavruška | Investigator #2 | Unowned |
|
Zdeněk Jelínek | Guest | Unowned |
|
Karel Krautgartner | Musician | Unowned |
|
Jiří Verberger | Hudebník-pianista | Unowned |
|
Karel Turnovský | Drummer | Unowned |
|
Adolf Šmíd | Trumpetista | Unowned |
|
Josef Steigl | Unowned | |
|
Antonín Zíb | Commentary (voice) | Unowned |