Question: Indian film director AR Murugadoss won Best Director for his film "Kaththi", starring which actor in dual roles? 
Sentence (from "Khaidi No. 150"): Khaidi No. 150 (English: "Prisoner No. 150" ) is an Indian Telugu-language action drama film directed by V. V. Vinayak, and written by AR Murugadoss.
Relevant evidence: No