When Tom Cruise dived for an action scene in Mission: Impossible: Rogue Nation, he was underwater for a full six minutes. The result: an impressive scene that is one of the many highlights of the film, and also a record. Apparently no movie star has held his breath for that long during a shoot (at least nobody has documented it before).

But two years ago, news broke that Kate Winslet smashed Cruise’s record while filming Avatar: The Way Of Water. She is said to have stayed underwater and held her breath for a whopping 7 minutes and 14 seconds without an oxygen tank or similar technical aids. She was helped by a technique that all the stars for “Avatar 2” had to learn: freediving, also known as Fr…