Katie Lee Hill is an actor best known for her work as “Kourtney [with a K]” on M. Night Shyamalan’s SERVANT (AppleTV), Shiv’s assistant “Sarah” on HBO’s SUCCESSION, and sardonic patient “Willow” on NBC’s NEW AMSTERDAM.

Other memorable television credits include ice queen “Valentina” on ELSBETH (CBS), nightmare bachelorette “Donna“ on THREE WOMEN (STARZ), persistent actor/Applebee’s waitress “Katrina” on THE OTHER TWO (HBOMax), and DYING FOR SEX (FX), FLEISHMAN IS IN TROUBLE (FX), TALES OF THE CITY (Netflix), LAW & ORDER: ORGANIZED CRIME (NBC), THE CHANGELING (AppleTV), HIGH MAINTENANCE (HBO), and SESAME STREET (HBO), with more soon to be announced.

Film credits include Stephen Merchant’s upcoming romantic comedy starring Cameron Diaz, as well as Stephanie Laing’s TOW (Tribeca Film Festival 2025, starring Rose Byrne) and Rashad Frett’s RICKY (Sundance 2025 Premiere). She has worked on many shorts including Maggie Talbot-Minkin’s OUR HOUSE (with Blumhouse Studios), with early collaborations including Cathy Yan and Brooklyn film collective Video Mass, as well as sketches including Rachel Bloom and Paul Briganti’s infamous “FUCK ME RAY BRADBURY” (Hugo Award) and a cut for time Late Show with Stephen Colbert sketch. Katie has sketch, improv, and musical improv experience from UCB NY.

After attending NYU Tisch School of the Arts, Katie focused on theater with credits ranging from Broadway to off-Broadway to developmental Broadway workshops. Katie notably joined the Broadway cast of SPONGEBOB: THE MUSICAL LIVE for Nickelodeon’s televised taping, playing Plankton’s co-villain “Karen the Computer.” Credits include with Roundabout Theatre Company, MCC, Playwrights Horizons, Juilliard, NYSAF, Sundance, PlayCo, WilliamstownTF, NYTW, Clubbed Thumb, The Vineyard, Ars Nova, Pan Asian Repertory, The Women’s Project, and Ma-Yi Theatre Co, with projects including developing shows MAYBE HAPPY ENDING, THE DEVIL WEARS PRADA, ONCE UPON A ONE MORE TIME (Britney Spears), KPOP, PIRATES OF PENZANCE revival, TEETH, and SAVED BY THE BELL to name a few. Trained by Tisch’s Classical Studio faculty Darci Picoult and Louis Scheeder, she was in Joanne Akalaitis’ BAD NEWS I WAS THERE, an immersive off-Broadway production of Greek classical theater. A trained dancer for over 15 years, she has been part of NYC cabaret, dance, and nightlife with her personal favorite performances being with Night of 1000 Stevies.

Katie’s voice over credits include the titular character in Audible Theatre’s NEVADA-TAN. She is represented by Stewart Talent NY’s Voice Over and On-Camera Commercial departments, currently appearing in a campaign for FORD.

A trained singer, Katie has lent her vocals to many composers and NYC music acts over the years, performing at the Beacon Theater, Yankee Stadium, Joe’s Pub, Bowery Electric, Mercury Lounge, Arlene’s Grocery, Rockwood Music Hall and more. Her experience ranges from German operetta and French opera to KPOP and CantoPop to jazz standards and rock classics.

A songwriter for her indie rock band duo Baby Chemist, along with Travis Artz they’ve performed multiple shows for Little Island’s inaugural season and had a release party in Times Square produced by the Times Square Alliance. 2023 SongDoor International Songwriting Competition Finalists, The Women of Country proclaimed “Together the duo’s sound is thrilling and unique.”

Originally from Los Angeles and currently based out of NYC, Katie is represented by Ian Ames of TMT Entertainment Group.