MTV Roadies creators Raghu Ram and Rajeev Lakshman are making their screen debut with a south film. They are starring in comedian turned hero Sivakarthikeyan’s upcoming movie ‘Doctor.’ Sivakarthikeyan and Priyanka Arul Mohan are playing main leads. The film is directed by Nelson. ‘Doctor’ is produced by hero Sivakarthikeyan and is dubbed in Telugu as ‘Varun Doctor.’