Canadian fashion model Winnie Harlow and American rapper Doja Cat attend Darren Dzienciol & Richie Akiva's Oscar Party 2021 on April 25, 2021 in Bel Air, California. (Photo by Rochelle Brodin/Getty Images for Darren Dzienciol)

George R.R. Martin, Lena Headey, Sophie Turner, and other cast and crew of Game of Thrones have faced the winds of winter – or anyway, a bucket of ice water – with the popular charity challenge. HBO’s Game of Thrones gives fans chills in every episode. But as the Ice Bucket Challenge for ALS research has exploded across the internet, the cast and crew of the shocking show gave themselves goosebumps as they stepped up to get soaked.

People caress a horse during the traditional “El Tope” end-of-year parade in San Jose on December 26, 2023. Cowboy hats and boots, in the purest “wild west” style, flooded the streets of downtown San José to proudly display the horse culture in Costa Rica. (Photo by Ezequiel Becerra/AFP Photo)

Larsa Pippen leaves little to the imagination in a VERY racy warrior costume as she joins Shanina Shaik at Paris Hilton's Halloween bash in Beverly Hills, CA. on October 24, 2019. (Photo by Backgrid USA)

Space shuttle Discovery sits atop NASA's 747 Shuttle Carrier Aircraft (SCA) ready to transport it from Kennedy Space Center to the Washington D.C., on April 17, 2012 in Cape Canaveral, Florida. Following the retirement of the shuttle fleet, Discovery will fly to Washington for display at the Smithsonian's National Air and Space Museum. (Photo by Lofty Ambitions)

Space shuttle Atlantis launches from pad 39A on July 8, 2011 at the NASA Kennedy Space Center in Cape Canaveral, Florida. The launch of Atlantis, STS-135, is the final flight of the shuttle program, a 12-day mission to the International Space Station. (Photo by Bill Ingalls/NASA via Getty Images)

American singer-songwriter and actress Mandy Moore arrives at the Walt Disney Television Emmy Party on September 22, 2019 in Los Angeles, California. (Photo by Mario Anzuoni/Reuters)

British actress Elizabeth Hurley poses for photographers during a beachside event to promote her swimwear range in Cannes, France on May 23, 2006. (Photo by Michel Dufour/WireImage)