Season 37 of ‘The Challenge’ is a new mission called ‘Spies, Lies & Allies.’ It premieres on Aug. 11, 2021 at 8:00 p.m. on MTV. The show features 15 veteran players, along with with 19 rookies, with 17 of the total contestants being from the United States and the other 17 being from other countries around the world.

Following season 36, ‘Double Agents,’ this season will bring even more challenges to the ‘operatives’ as they’re tested “mentally and physically” with a share of $1 million on the line. The new players come from shows including ‘Survivor,’ ‘Love Island,’ ‘Big Brother,’ ‘Paradise Hotel and more. Meanwhile, longtime fan-favorites like CT Tamburello, Aneesa Ferreira, Nany Gonzalez, Tori Deal and more are also back for another shot at the money.

Keep scrolling through the gallery to see who’s been cast on season 37 of ‘The Challenge: Spies, Lies & Allies.’