Karel Höger as kapitán VB Miloš Tůma

Josef Bek as nadporučík VB František Líbal

Otto Lackovič as technical officer Karel Antos

Josef Vinklář as Jirka

Vladimír Menšík as Emperor Josef Neumann, called Kici

František Vnouček as Alfred Batysta, hotel manager

Eva Kubešová as Sergeant VB Jindriska Hurková

Miloš Vavruška as laboratory assistant VB Lieutenant Kalenda

Dagmar Zikánová as saleswoman from the buffet Majka Válková

Eduard Kohout as Auditor Ferdinand Zelinka

Jana Štěpánková as Eva, Zelinka's daughter

Zuzana Fišárková as Jana, Karl's sister, Jirka's girl

Stanislav Neumann as old Mr. Krejza

Josef Svátek as father Antos

Sylva Byšická as Batysta's wife

Eman Fiala as ferryman Franta

Jiří Roll as Police doctor

Jaroslav Synák as junior sergeant VB Dymák

Jan Maška as cashier at the savings bank Rektorys

Jiří Němeček as a member of the SNB in the Majka apartment

Josef Hlinomaz as Výcepní

Zdeněk Skalický as A man at the gatehouse

Pavel Wuršer as Truck driver

Aleš Košnar as Pikolík

Zdeněk Jelínek as A man in a savings bank

Zdeněk Erben as A man in a savings bank

Ema Skálová as Batysta's wife (voice)