Ewan McGregor and Naomi Watts on ‘The Impossible’, Filming a Tsunami and the Acting Exercises They Did During Rehearsal (video)

The Impossible, which comes out December 21st, is the true story of a family caught in the tragedy of the 2004 Thailand tsunami and stars, Naomi Watts, Ewan McGregor and Tom Holland. Directed by Juan Antonio Bayona, the film shows how devasting the disaster was to the country, it’s people and in particular, this family.

The Hollywood Reporter brought the cast and director together to talk about the film andit’s got some pretty interesting moments. McGregor and Watts’ chat about working with the young actors who play their children (who are great, btw), the challenges of the water and how they did acting exercises during rehearsal to make their on-screen family seem absolutely real.

Check it out below!