Václav Váša pursued his education in acting at the Janáček Academy of Performing Arts in Brno, graduating in 1986. Following his studies, he was actively involved in the Brno-based Divadlo Na provázku from 1986 to 1991, significantly contributing to numerous productions during his tenure.
From 1993 to 1996, he was an active member of the Prague's Činoherní klub, where he took on various roles, including Andrew in "Sex noci svatojánské", Figaro in "Figarově svatbě", Liboveský in "Vodním družstvu", and Aston in "Správce", among others. His name became well-known in the theatrical circles, and he would occasionally guest star at other theatres. He became a member of the National Theatre drama company in 1999.
Before his engagement at the National Theatre, he performed in two productions, playing František in an adaptation of Hrubín's Romance for the Křídlovka and several roles in a stage adaptation of Hrabal's novel Obsluhoval jsem anglického krále. Among the other roles he studied and performed at the National Theatre, one can mention the title role of Shakespeare's Hamlet, the title role of Klicpera's Hadrián z Římsů, Prince Myškin in an adaptation of Dostojevsky's Idiota, Kotrlý in Havel's Pokoušení, Pěstoun, Muž z baru, and Číšník in the benefit performance of Luba Skořepová.
In the year two thousand and nine, he made the decision to bring his involvement with the National Theatre to a close. Currently, his acting credits at the National Theatre include the role of Dobčinský in Gogol's The Inspector, Prince in The Little Match Girl (based on the fairy tale by Hans Christian Andersen),the Thief of Bagdad in The Snow Queen, Little Charles Aiken in September in the Land of the Indians (based on a novel by Louis L'Amour),Dr. Hronce in The Coffee of the Senator (based on a novel by Bohumil Hrabal),and Man with a Hoe in The Makropulos Case (based on a novel by Karel Čapek). Throughout his career, he has amassed a repertoire of approximately fifty film and television roles.