Visitors view ice sculptures at the 29th Harbin International Ice and Snow Festival on January 5, 2013. (Photo by Associated Press)

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.

Located at the foot of the Rocky Mountains on the North Saskatchewan River, the rare phenomenon occurs each winter in the man-made lake. Photo: Ice bubbles in Abraham Lake. (Photo by Chip Phillips/Rex Features)

English singer and songwriter Anne-Marie performs on stage during day two of Capital's Jingle Bell Ball with Seat at London's O2 Arena on December 8, 2019. (Photo by Isabel Infantes/PA Images via Getty Images)

Jennifer Lopez stars in the spring-summer 2020 campaign for fashion giant, Versace. The 50-year-old actress appears in the eye-catching campaign, shot by fashion photographers Mert Alas & Marcus Piggott, described by the brand as “a provocation on the power of the internet“. (Photo by Versace/The Mega Agency)

Kim Kardashian arrives for the Thierry Mugler exhibition opening at the Montreal Museum of Fine Arts in Montreal, Chittenango, United States of America on February 26, 2019. (Photo by Splash News and Pictures)

English journalist and newsreader Lucy Watson attends the “Charlie's Angels” UK Premiere at The Curzon Mayfair on November 20, 2019 in London, England. (Photo by Jeff Spicer/Getty Images)

Kim Kardashian is seen on February 15, 2017 in New York City. (Photo by Team GT/GC Images)