Arturo Holmes/WireImage Natalie Portman and John Krasinski star as sister and brother inFountain of Youth The actress spoke exclusively to PEOPLE at the Los Angeles premiere hosted at the American Museum of Natural History The Apple TV+ original film begins streaming Friday, May 23 Natalie Portmangot to live out one of her wildest dreams in her latest film alongsideJohn Krasinski. During theFountain of Youthred carpet premiere at the American Museum of Natural History in Los Angeles on Monday, May 19, theBlack Swanactress, 43, opened up about why playing the sister of PEOPLE's 2024 Sexiest Man Alive, 45, was special for her. Dimitrios Kambouris/Getty "It was so incredible to get to work with John. He's so funny. He's so kind, such a good actor and to play brother and sister was really fun because both of us, I think, had an imagination of what it might be like," Portman tells PEOPLE. She explains, "I'm an only child and he has only brothers, so we both kind of had that lifetime imagination of what it would be like to bring to our characters and it was great to travel to all these incredible places with the entire cast." Krasinski has two older brothers,Paul Krasinski and Dr. Kevin Krasinski. Kevin is an orthopedic surgeon, while Paul is a tech CEO. TheThor: Love and Thunderactress adds that being on set felt like being with family, and getting to travel the world while making the mystery movie made it that much better. "We really had a crew the whole time and we all really had fun together. And then we got to shoot at the pyramids and be in Vienna and it was just magical," Portman tells PEOPLE. In theApple TV+ filmdirected byGuy Ritchie, treasure-hunting mastermind Luke Purdue (Krasinski) is estranged from his sister Charlotte Purdue (Portman). However, the two must come together to pull off a global heist to find the mythological Fountain of Youth. Apple TV+ A mysterious billionaire named Owen Carver (Domhnall Gleeson) funds their mission, but unbeknownst to the Purdues, the wealthy investor has an ulterior motive for helping the bickering brother-sister duo. "I love the initial juxtaposition between Luke and Charlotte — this idea of the adventurous spirit and the person who is always playing it safe," Krasinski says in production notes for the film. Ritchie used their sometimes-strained relationship to play up the drama. Never miss a story — sign up forPEOPLE's free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. "With brothers and sisters, there will always be squabbling. And, as far as I'm concerned, squabbling is the best version of arguing. Brothers and sisters can say things to each other that no one else can. You can warm your hands off that kind of banter," the director said. In addition to Krasinski and Portman, the upcoming film also starsEiza González,Stanley Tucci,Laz Alonso, Arian Moayed and more. Fountain of Youthdebuts on Apple TV+ Friday, May 23. Read the original article onPeople
