The 'Sentimental Value' cast, including actors Elle Fanning, Stellan Skarsgård, Inga Ibsdotter Lilleaas, Renate Reinsve and director Joachim Trier, chats with ET's Nischelle Turner backstage at the 2026 Palm Springs International Film Festival Awards. Elle opens up about her bond with older sister Dakota Fanning, as they both experienced life in the spotlight at an early age. Source