Brake made a cameo in the superhero film "", the sequel to "Thor". The film became the biggest commercial success for Brake's career, earning $644.6 million at the box office worldwide. Brake had a recurring role as mobster Terry Mandel on Frank Darabont's neo-noir crime drama "Mob City". In 2014, he made guest appearances on the crime drama "Crossing Lines" and the action thriller series "", both roles he played were international criminals wanted for murder. From 2014 to 2015, Brake portrayed the Night King on the HBO fantasy series "Game of Thrones", appearing in the show's fourth and fifth seasons, most notably in the fifth-season episode "Hardhome", which received seven Emmy nominations. Brake appeared in the action comedy "", where he plays an unnamed man who interrogates Eggsy Unwin (played by Taron Egerton) character as part of his training to become a spy for the intelligence agency Kingsman. He made a cameo as a bar patron in the semi-biographical drama "Set Fire to the Stars", which premiered at the Edinburgh International Film Festival on June 23, 2014. In 2015, he appeared on the FX historical fiction drama "The Bastard Executioner" as Baron Edwin Pryce. Due to scheduling conflicts with "The Bastard Executioner", Brake was unable to reprise as The Night King for the sixth season of "Game of Thrones" and was replaced by Vladimir Furdik, one of the shows main stunt performers. Brake guest-starred on an episode of "Grimm" as a hunter with a penchant for severing a foot from his victims. He co-starred with Melissa McCarthy and Jason Statham in the action comedy "Spy", where he played Solsa Dudaev, a Chechen terrorist in pursuit of a nuclear weapon. The film was universally praised and was nominated for the Golden Globe Award for Best Motion Picture – Musical or Comedy. Throughout 2016, Brake made guest appearances on several award-winning television shows such as "Hawaii Five-0" and "Peaky Blinders". He also had a recurring role as Russian mobster Vlad on the Showtime series "Ray Donovan". In 2016, he starred as the main antagonist in Rob Zombie's slasher horror film "31". He played Doom-Head, a contract killer who participates in the annual titular game by murdering a group of victims who are kidnapped by goons. The film had its world premiere at the Sundance Film Festival on January 23, 2016.