Complex sentence: He continued to work with the same fervent zeal, though, and in 1971 starred as Kisa Vorobyaninov, next to Archil Gomiashvili's Ostap Bender in Leonid Gaiday's highly popular adaptation of Ilf and Petrov's "The Twelve Chairs".
Split into simpler sentences: He continued to work with the same fervent zeal, though. In 1971, he starred as Kisa Vorobyaninov, next to Archil Gomiashvili's Ostap Bender in Leonid Gaiday's highly popular adaptation of Ilf and Petrov's "The Twelve Chairs".