The actors found themselves a bit at sea during a watery action scene.Fountain of Youth follows two siblings, Charlotte (Natalie Portman) and Luke (John Krasinski), as they hunt for the mythical Fountain of Youth with funding from a billionaire.

"Fountain of Youth" - the latest swashbuckling adventure following a search for a mythical location - has finally dropped. The Guy Ritchie-directed film stars John Krasinski and Natalie Portman as two estranged siblings who get roped into hunting for the titular Fountain of Youth while others aim at keeping the location a secret.

Domhnall Gleeson, Eiza Gonzalez and Stanley Tucci co-star in a film about a brother and sister searching for the titular mythological spring.