Cast

• Vítězslav Vejražka — Dr. Klimes
• Vlasta Matulová — Olga Brandová
• František Hanus — Dusek
• Stanislav Neumann — Novák
• Bohumil Švarc — Karlícek
• Jaroslav Mareš — Drasner
• Walter Taub — Horyna
• Václav Vydra — Karel Brand
• Vladimír Menšík — Toglar
• Otýlie Beníšková — Klimes's mother
• Miloš Nedbal — lieutenant colonel
• Jaroslava Adamová — Kadlecová
• Nina Bártů — Nováková
• Vladimír Bičík — VB member at the radio
• Václav Fišer — unknown
• Věra Hanslíková — rescue station dispatcher
• Bohuš Hradil — cinema manager
• Stanislav Langer — president of the court
• Karel Linc — Karel Palouš
• Heda Marková — administrator
• Karel Pavlík — doctor
• Jiří Pleskot — officer
• Jiří Suk — cast
• Miluše Zoubková — Klára
• Miroslav Zounar — supervisory officer
• Ladislav Trojan — member of the VB
• Ladislav Gzela — racketeer

Sonoro

• Jiří Srnka — original music composer
• Stanislav Vondraš — sound

Fotografia

• Jan Němeček — assistant camera

Sceneggiatura

• Miloš Václav Kratochvíl — creative producer
• Eduard Fiker — story
• Eduard Fiker — screenplay

Regia

• Vladimír Borský — director
• Bohumil Kouba — first assistant director

Produzione

• Jiří Šebor — executive producer