Kaaviya Thalaivan is Tamil historical fiction film written and directed by Vasanthabalan. Set in early 20th century, the film is about the lives of two theatre artistes played by Siddharth and Prithviraj and the competition that exists between them in a small drama troupe. The former is the main lead whereas the latter one is the antagonist in the film. Nassar plays the role of a guru to these actors and the role of actress Vedhicka is inspired by the stage artist and singer K. B. Sundarambal. The original songs and film score are composed by A. R. Rahman.