After getting Rajinikanth on board for a cameo in his mega-budget project "RA.One", Shah Rukh Khan has managed to rope in megastar Amitabh Bachchan for a voiceover to introduce a game based on the superhero flick

Amitabh, known for his distinct baritone, drove down Thursday morning to do a voiceover for the movie. He left Oscar-winning sound designer Resul Pookutty amazed by his skill and dexterity.