Background
Kašlík was born in Poličná (today part of Valašské Meziříčí) in Moravia, Austria–Hungary (now in the Czechoslovakian Republic).
Kašlík was born in Poličná (today part of Valašské Meziříčí) in Moravia, Austria–Hungary (now in the Czechoslovakian Republic).
Educated Faculty of Philosophy, Charles University, PragueConservatory and Conductor"s Master School m. Ruzeme Stucesova, August 25, 1942.
In 1940 he began working for Brno radio as a conductor, and made his debut as a director at the Prague National Theatre with Boleslav Vomáčka’s The Watersprite. In 1945 he and Alois Hába founded on the grounds of the former Neues Deutsches Theater the Grand Opera of the Fifth of May (today the State Opera Prague). In 1953 he returned to the Prague National Theatre, establishing international reputation as a director
His use of television, film, and projections brought him wide acclaim, particularly due to the collaboration with Josef Svoboda.
His compositions are colored by the folk music of Moravia and Moravian Wallachia, as well as jazz and popular music
Married Ruzeme Stucesova, August 25, 1942. Children: Jiri, Pavel, Ivan.