Photo Flash: First Look at the 12th Annual London 50-Hour Improvathon, THE GOOD, THE BAD, AND THE FIFTY

Get a first look at the 12th Annual London 50-Hour Improvathon, THE GOOD, THE BAD, AND THE FIFTY.

Set in The Wild West and paying homage to every kind of Western from "Deadwood" to "Little House On The Prairie" as Wilton's Music Hall transforms into the little town of Wilton's Creek.

The final line up of improv stars and guest artists confirmed to take part are: Adam Meggido, Andy Smart, Patti Stiles, Nina Conti, Cariad Lloyd, Dan Starkey, Alan Cox, Ruth Bratt, Pippa Evans, Lee Simpson, Ellie Morris, Bryony Corrigan, Seamus Allen, Jamie Cavanagh, Helen Foster, Joseph Chance, Tristan Langlois,Maya Sendall, John Oakes, Jacob Banigan, Nell Mooney, Charlotte Gittins, Will Ewart, Belinda Cornish, Susan Harrison, Ali James, Lucy Trodd, Matt Cavendish, Lauren Shearing, Dylan Emery, Justin Brett, Joshua Jackson, Jonathan Ainscough, Sean McCann, Philip Pellew, Heather Urqhart, Maria Peters, Sally Hodgkiss, Luke Sorba, Greg Birks, Talia Pick, Rob Carolina, Fred Gray, Andrew Gentili, Alex Bartram.

How will Wilton's Creek handle its gun laws? Who will be its new mayor in this time of crazy political upheaval? And what happens when gunslingers, ranchers and cowgirls go without sleep for 50 hours? Expect hilarious homages to every kind of Western, from 1966 Spaghetti Western classic The Good, the Bad and the Ugly to HBO's award-winning Deadwood.

Photo Credit: Claire Bilyard