The event takes place at Olympia London on 26-28 July.
To get your tickets visit our website for all the details:
Syd, who played both a Stormtrooper and an Imperial Officer in Star Wars: A New Hope, is joining us for the Sunday.
Syd joins previously announced guests Steve Ismay, Hayden Christensen, Alan Fernandes, Andy Bradford, Ross Beadman, Peter House, Guy Henry, Quentin Pierre, Tony Allen, Tony Smart, Kieron Gillen, Ian McDiarmid, Andy de la Tour, Gary Erskine, Jonathan Cohen, Julian Glover, David Roach, Peter Serafinowicz, Katie Purvis, Jessica Henwick, Paul Blake, Will Sliney, Jason Isaacs, Michael Carter, Billy Dee Williams, Corey Dee Williams and Ian Whyte.
Fantha Tracks are overseeing the Star Wars Zone at the show, and we will bring more news of guests and activities as they are announced.