Kristen Stewart's Princess Diana biopic 'Spencer' set for Venice Film Festival

The Venice International Film Festival unveiled a starry lineup of world premieres for September, including Pablo Larrain's Spencer, starring Kristen Stewart as Princess Diana. Photo / Shoebox Films

The Venice International Film Festival unveiled a starry lineup of world premieres for September — including Pablo Larrain's Spencer, starring Kristen Stewart as Princess Diana, and Ridley Scott's medieval drama The Last Duel, featuring Matt Damon, Ben Affleck and Adam Driver.

The oldest film festival in the world is kicking off its 78th edition September 1 on the Lido with the premiere of Pedro Almodóvar's Madres paralelas, starring Penelope Cruz. Spencer and Madres paralelas are among 21 features premiering as part of the official competition, which has often helped guide eventual Oscar best picture nominees and even winners.

Other films competing for the Golden Lion include Ana Lily Amirpour's fantasy Mona Lisa and the Blood Moon, with Kate Hudson and Craig Robinson; Maggie Gyllenhaal's adaptation of Elena Ferrante's The Lost Daughter, starring Olivia Colman and Dakota Johnson; Paul Schrader's crime drama The Card Counter, with Oscar Isaac and Tiffany Haddish, and Paolo Sorrentino's The Hand of God.

Edgar Wright's stylish psychological thriller Last Night in Soho, with Thomasin McKenzie and Anya Taylor-Joy, will also have its premiere in Venice out of competition before heading to the Toronto Film Festival.

Jane Campion's The Power of the Dog, with Benedict Cumberbatch, Kirsten Dunst and Jesse Plemons; Denis Villeneuve's adaptation of Dune, starring Timothée Chalamet, and Halloween Kills were all previously announced as part of the slate. Campion's film, about brothers in 1920s Montana, is another competition title, and one of two Netflix films debuting at the festival.

Last year, Chloe Zhao's Nomadland premiered at the scaled-down but still in-person festival and was awarded the Golden Lion. This year, Zhao will help decide who gets that prize as a member of the main jury led by fellow Oscar winner Bong Joon-ho, who directed Parasite.

Following on the heels of the Cannes Film Festival, the Venice Film Festival is expected to mostly return to its full glamour in September.