It will film in Norways capital through November, with additional shoots in France, before launching in 2025.
Refreshingly, the comedy-drama keeps Trier in his native Norwegian language.
Reinsve, fresh off her Apple seriesPresumed Innocentand A24sA Different Man, re-teams with Trier for the lead role.
From left: Renate Reinsve, Stellan Skarsgård, Inga Ibsdotter Lilleaas and Elle FanningGetty Images; Signe Fuglesteg Luksengard
But Nora wants nothing to do with her father or his film.
Fanning will portray an American movie star who comes to Oslo.
It also scored BAFTA, Goya, Cesar and European Film Awards nominations.
WithSentimental Value, Trier continues his screenwriting collaboration with Eskil Vogt, which includes all of Triers features.
Pic is produced by Maria Ekerhovd for Mer Film and Andrea Berentsen Ottmar for Eye Eye Pictures in Norway.
The film is also backed by BBC Film in the UK, with Eva Yates as executive producer.
Mk2 Films is handling international sales and, as previously announced,Neon is handling U.S. distribution.
Nordisk Film is handling distribution in the Nordics.
Skarsgard, one of the Nordic regions biggest international film stars, is coming off blockbuster franchiseDuneandStar WarsseriesAndor.
Fanning will next be seen in SearchlightsA Complete Unknownand is filmingBadlandsfor 20thCentury Studios.
