Conversation so far:
What Non-Hindi film did Riya Sen act in?
Her film career began in the earnest with Tamil films such as Bharathi Raja's Taj Mahal.
What other movies has she acted in?
Her first English language movie was It Was Raining That Night, a remake of the Bengali film Hei Brishtir Raat.
What did the critics think of her acting?
In 2012 Sen won the Star Guide Award as best actress for her performance in Noukadubi.
Did Sen star in any other Non-Hindi films?
Her most successful non-Hindi film has been director Santhosh Sivan's Ananthabhadram (2005).
Was Ananthabhadram a commercial success?
The first Malayalam venture for both Riya and Sivan, was both a critical and commercial success.
Did Riya and Sivan do any more films together?
CANNOTANSWER.
Are there any more successful Non-Hindi films that Riya Sen starred in?
CANNOTANSWER.
Are there any other interesting aspects about this article?
The use of Kathakali has been a high point in the resurgence of the classical dance form in other major Indian films as well.

Question: Which film used Kathakali that Riya Sen starred in?
Self-contained rewrite: Which film used Kathakali that Riya Sen starred in?