Lilli Kay


Lilli Kay is an American actress. She is known for her roles as Penelope Fowler in the Netflix series Chambers and Sofia "Fia" Baxter in the Showtime drama series Your Honor. She also appeared on the fifth season of the Paramount Network neo-Western drama series Yellowstone. In 2025 she appeared as “Zero” in the Apple TV+ sports comedy Stick.

Career

Kay starred as Fia Baxter opposite Bryan Cranston and Michael Stuhlbarg in Showtime drama series Your Honor, becoming a series regular in season two. She also appeared in the film Paterno and Netflix series Chambers.
She has a recurring role as Clara Brewer in Yellowstone in season five. She was involved in the first non-heterosexual kiss on the show, kissing her real-life partner, Juli Kocemba.
Kay played Rachelle Horowitz in the film Rustin opposite Colman Domingo, Chris Rock and Jeffrey Wright. She can be seen in indie feature film The Luckiest Man in America opposite Paul Walter Hauser. In June 2024, she was cast in an Apple TV+ golf-based comedy series Stick from Jason Keller, starring Owen Wilson.

Personal life

She is also a musician and a member of the LGBTQA+ community. On the television series Yellowstone, she worked alongside her father Stephen Kay who is a director and executive producer on the series. Her stepmother Piper Perabo also acted in the series.

Filmography

YearTitleRoleNotes
2018PaternoDoriTelevision film
2019Madam SecretaryRubyEpisode: "The New Normal"
2019ChambersPenelope FowlerMain role; 10 episodes
2020–2023Your HonorFia BaxterMain role
2022August at Twenty-TwoEmily Walker
2022–2024YellowstoneClara BrewerRecurring role
2023RustinRachelle
2024The Luckiest Man in AmericaLisa
2024The HeiressChristina OnassisShort film
2025For WorseTina
2025StickZeroSeries regular
2025TaskFrankie GrassoGuest Star