Arjun Rampal's Ra.One Character Revealed Finally! - Hot News. Ra. One is the most anticipated movie of this season and Arjun Rampal's character in the movie has finally been revealed. Watch this video to get the scoop on who Ra. One actually is and what has Arjun Rampal got to do with it. Regular Facebook Updates . Watch more for the latest bollywood film reviews, makings & trailers.