Ignacy Jan Liss (Polish pronunciation: [iɡˈnatsɨ ˈlis]; 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 (2021) and Count Leszek Czyński in the drama film Forgotten Love (2023).
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Early life
Liss was born to musician parents. He has three siblings, and his maternal aunt is actress Aleksandra Justa. 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 Danuta Baduszkowa Musical Theatre and the Gdynia Film Center. He later attended the Aleksander Zelwerowicz National Academy of Dramatic Art in Warsaw, graduating in 2022.
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 Teatr Polonia 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 Dom otwarty, directed by Krystyna Janda, at the Arnold Szyfman Polish Theatre in Warsaw. The following year, he played Robert in the film Photosensitive, 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. He married makeup artist Maria Wende in 2024. They have one child.