‘My mother was 4ft 11in and scared the hell out of people’ – Sean Astin on child stardom, The Lord of the Rings and surviving 45 years in Hollywood

His mother was an Oscar-winning actor who had been exploited from a young age; Astin appeared in The Goonies at just 13. Now, he has followed in his mother’s footsteps again as a union leader. He talks Stranger Things, AI and why playing Samwise Gamgee cost him his house Sean Astin is showing me around his new office. There’s framed movie prints on the walls, piles of paperwork and a stack of boxes of Stranger Things Funko Pops. “If you were here, you could look out this window and see a…