Adam Driver kept the identity of his Star Wars character from his wife for three years.
The Girls actor plays villain Kylo Ren in Star Wars: The Force Awakens and admitted he was happy to keep the secret from his wife Joanne Tucker because the surprise was worth it.
Speaking to The Hollywood Reporter, he said: "It was great. I kept it from my wife for three years, just because the payoff of her seeing it with everybody was so worth it."
Meanwhile, Adam loved playing Kylo Ren because he is "unpolished and reckless".
He explained to the Daily Telegraph newspaper: "I feel there's a recklessness about him that's maybe not normally associated with the 'Dark Side'.