Ignacy Liss

Ignacy Jan Liss (; born 16 February 1998) is a Polish actor. He is best known for his roles as Adam in the Netflix supernatural thriller television series Open Your Eyes and Count Leszek Czyński in the drama film Forgotten Love (2023).

Early life Liss was born to musician parents. He has three siblings, and his maternal aunt is actress . He grew up in Tczew, where he attended music school. He plays the clarinet, drums, and piano, and was in a band with his cousins for six years.

As a teenager, he began acting at the and the .

Career As a second-year student at the National Academy of Dramatic Art, Liss made his professional stage debut in the play Boże mój, directed by Andrzej Seweryn, at the in 2019. The following year, he played Dawid in the anthology film Erotica 2022. In 2021, he starred as Paweł in the Netflix supernatural thriller television series Open Your Eyes.

In 2024, he played Adolf in the play , directed by Krystyna Janda, at the Arnold Szyfman Polish Theatre in Warsaw. The following year, he played Robert in the film , directed by Tadeusz Śliwa. At the 2026 Series Mania, he won the award for Best Actor for his role as Filip in the HBO Max television series Proud.

Personal life Liss was raised Catholic. They have one child.

Acting credits Film Year Title Role 2020 Krzysiek Erotica 2022 Dawid 2022 Janek Wolicki Bartek Bystroń 2023 Fanfic Maks Forgotten Love Leszek Czyński Miłość ma cztery łapy Kacper 2025 Robert

Television Year Title Role Notes 2019 Wartime Girls Piotr 1 episode 2019–2021 Lepsza połowa Kamil 16 episodes 2020 Maks Adamski 1 episode 2020 Janek 1 episode 2020 Ludwik Wawrzyniak 2 episodes 2021 Open Your Eyes Adam 6 episodes 2022 Jacek Kotarbowy 1 episode 2023 Kres niewinności Janek Wolicki 4 episodes 2023 Tomek 4 episodes 2023 Still Here Karol 3 episodes 2023–2024 Lucjan Ledwoń 30 episodes 2026–present Proud Filip Raczyński Main role

Theater Year Title Role Venue 2019 Boże mój Lior Śmieszne miłości Edward Teatr WARSawy 2021 Antigone Haemon National Academy of Dramatic Art 2022 Tartuff Damis Theatre Scena STU 2023 Lord of the Flies Jack Och-Teatr 2024 Henry IV, Part 1 Ned Poins Arnold Szyfman Polish Theatre

Awards and nominations Award Year Category Nominated work Result Series Mania 2026 Best Actor Proud