The actors who were in line to play Jack in Lost before Matthew Fox

Sign up to our free IndyArts newsletter for all the latest entertainment news and reviews Sign up to our free IndyArts newsletter Sign up to our free IndyArts newsletter SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy For Lost fans, it’s hard to imagine anyone other than Matthew Fox embodying the great leader that was Jack Shephard – but he was not the first choice for the part. Theroux apparently told Lindelof he wasn’t interested, not realising that Lost would go on to become one of the defining network dramas of the 21st century. Justin Theroux and Michael Keaton “I said, ‘I’ll seriously consider it, send me the script,’” Keaton told Access Hollywood. “[JJ Abrams said, ‘No, we’re keeping the guy alive,’ and I said, ‘Oh, ok, well I can’t do that.’” Despite the success of Lost, Keaton said he knows he made the right decision.