Shah Rukh Khan, who was last seen in 2018 film 'Zero', will reportedly play a cameo in R Madhavan's upcoming film 'Rocketry: The Nambi Effect'. "He will be seen as a journalist who interviews scientist Nambi Narayanan, takes us through the protagonist's journey in flashback," reports added. Reportedly, Shah Rukh has also shot for a cameo in Ranbir Kapoor's 'Brahmāstra'.