His daughter Katerina (1956) is an opera singer and pedagogue.
After the war, he was employed at the Ministry of Information and at the same time studied at the University of Politics, from where he later studied at FAMU, where he studied directing.
Kachlík made his directorial debut in 1961.
In 1972, he became an agent of the StB, specifically its department for combating "illegal culture", under the pseudonym Princip, later Kos and Tonda.