Klaudia Śmieja-Rostworowska is a Polish film producer. Her credits include Claire Denis's High Life (2018), Valdimar Jóhannsson's Lamb (2021), and Mona Fastvold's The Testament of Ann Lee (2025).
Biography Śmieja-Rostworowska graduated from the faculty of cultural studies at the Jagiellonian University and the faculty of television at the University of Silesia in Katowice. In 2015, she co-founded the production company Madants with Beata Rzezniczek. In 2018, she co-founded the production company NEM Corp with Ewa Puszczyńska and Jan Naszewski. She received the Female Voice Award at the Off Camera International Festival of Independent Cinema in 2022.
She has a daughter.
Filmography Year Title Director Notes 2014 The Mighty Angel Wojciech Smarzowski Executive producer 2015 Warsaw by Night Executive producer Sweet Home Rafa Martínez Executive producer Rams Grímur Hákonarson Executive producer Chemo Producer 2016 The Innocents Anne Fontaine Co-producer Illegitimate Adrian Sitaru Co-producer Park Co-producer Clair Obscur Yeşim Ustaoğlu Co-producer Porto Gabe Klinger Co-producer 2017 Executive producer Under the Tree Hafsteinn Gunnar Sigurðsson Co-producer Radiogram Rouzie Hassanova Co-producer Co-producer 2018 Pity Babis Makridis Producer The River Emir Baigazin Co-producer High Life Claire Denis Producer 2019 Mr. Jones Agnieszka Holland Producer 2020 Charlatan Co-producer 2021 Wolka Árni Ólafur Ásgeirsson Line producer Lamb Valdimar Jóhannsson Producer A Woman at Night Rafael Kapeliński Co-producer Producer The Wedding Wojciech Smarzowski Executive producer 2022 Pamfir Dmytro Sukholytkyy-Sobchuk Producer The Silent Twins Agnieszka Smoczyńska Producer Tomasz Wasilewski Executive producer My Neighbor Adolf Leon Prudovsky Producer Blanquita Executive producer 2023 Housekeeping for Beginners Goran Stolevski Producer Woman Of... Małgorzata Szumowska, Michał Englert Producer Joika James Napier Robertson Producer Ultima Thule Klaudiusz Chrostowski Producer 2024 L'Homme aux mille visages Co-producer Better Man Michael Gracey Executive producer The Brutalist Brady Corbet Executive producer 2025 No Beast. So Fierce. Burhan Qurbani Producer Orphan László Nemes Executive producer The Testament of Ann Lee Mona Fastvold Producer Sacrifice Romain Gavras Producer The Fires Ugla Hauksdóttir Producer 2026 Karma Guillaume Canet Producer Paper Tiger James Gray Executive producer Hot Spot Agnieszka Smoczyńska Producer Wild, Wild East Jan Holoubek Producer Cavendish Chris Andrews Producer Twice Over Alena Lodkina Executive producer
Awards and nominations Award Year Category Nominated work Result Gotham Awards 2025 Best Feature The Testament of Ann Lee Polish Film Awards 2023 Best Film The Silent Twins Polish Film Festival 2021 Best Film 2022 The Silent Twins 2024 Other People
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