Actor R Madhavan is gearing up for the release of his film `Rocketry: The Nambi Effect` which was well-received at the Cannes 2022 during its film premiere. The upcoming biographical drama is based on the life of Nambi Narayanan, a former scientist and aerospace engineer of the Indian Space Research Organisation (ISRO), who was falsely accused of espionage. The film has guest appearances from Bollywood actor Shah Rukh Khan and South star Suriya. Wondering how much the actor charged for their cameos in Madhavan directorial debut? Well, according to the star, SRK and Suriya didn`t charge for their on-screen appearance