Director Rian Johnson has confirmed that Star Wars: The Last Jedi will be the longest film in the franchise so far, coming in at 150 minutes (2 and a half hours) including credits.

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The longest Star Wars film was previously The Revenge of the Sith at 140 minutes. The Force Awakens came in at a (relatively) slimmer 124 minutes.Speaking at a press conference in Paris attended by IGN France , Johnson also said that Rogue One: A Star Wars Story director Gareth Edwards would have a cameo in the new film.However, he wouldn't confirm the long-standing rumour that Prince William would make a background appearance as a Stormtrooper. Johnson also compared working on The Last Jedi to his previous independent films: "Disney gave us a real freedom in writing. It was something very organic. For me, it was like when I worked on my old movies."That freedom seems to have enchanted Johnson, given he'll soon be taking the lead on creating an entirely new Star Wars trilogy We don't have long to wait for those 150 new minutes in a galaxy far, far away - The Last Jedi will be released on December 14 in the UK and Australia, and December 15 in the US.

Joe Skrebels is IGN's UK News Editor, and he is ordering a cinema-friendly cushion right now. Follow him on Twitter