Complex sentence: He was next cast as a prosecutor who uncovers political bribery in "Insiders" opposite Lee Byung-hun, the film adaptation of Yoon Tae-ho's webtoon of the same name.
Split into simpler sentences: He was next cast as a prosecutor who uncovers political bribery in "Insiders" opposite Lee Byung-hun. The film is an adaptation of Yoon Tae-ho's webtoon of the same name.