The event -- which will be held in the U.S. for the first time in its 50-year history -- will feature original comedy, musical performances, never-before-seen sketches, stand-up and guest appearances, all written around and in support of free speech.

Participating artists will include Paul Rudd, Eddie Izzard, Liam Neeson, Tim Roth Matt Berry, Jimmy Carr, Bobby Moynihan, Taran Killam, Jay Pharoah Rex Lee, Stephen Colbert, Coldplay, Fred Armisen, Kristen Wiig, Rashida Jones, Bill Hader, Seth Meyers, Jason Sudiekis, Aziz Ansari, Aubrey Plaza, Maya Rudolph, Bob Odenkirk, Hannibal Buress, Sarah Silverman, David Cross, John Oliver, Chris O'Dowd, Peter Serafinowicz, David Walliams, Noel Fielding, Matt Berry, Micky Flanagan, Jack Whitehall, Russell Brand, Jon Stewart, Reggie Watts, and Mumford & Sons.

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