Tom Cruise thinks 'Mission: Impossible - Fallout' is the "most challenging" movie he's ever made.<br /><br /><br /><br />The 55-year-old actor returns as spy Ethan Hunt for the sixth time in the upcoming movie - on which he broke his ankle while filming a stunt - and he has praised the "hardworking" cast and crew on the film for pushing themselves on the project.<br /><br /><br /><br />He Said: "This is definitely the most challenging film I've ever made, because it's producing, it's acting, and we do all our own action work."<br /><br /><br /><br />Tom hailed his co-star Henry Cavill a "committed professional" and franchise newcomer Angela Bassett a "powerful artist".<br /><br />