Kathryn Hahn is an American actress, best known for her roles as Jennifer Barkley on NBC's Parks and Recreation, Lee Payne on Showtime's Happyish, Helen on NBC's Free Agent, and Lily Lebowski on NBC's Crossing Jordan. Other television credits include recurrences on Comedy Central's Kroll Show, Amazon's Transparent, HBO's Girls, and HBO's Hung.

Film credits include Tomorrowland, Captain Fantastic, Len and Company, She's Funny That Way, This is Where I Leave You, We're the Millers, The Secret Life of Walter Mitty, Wanderlust, Step Brothers, Revolutionary Road, The Last Mimzy, The Holiday, A Lot Like Love, Anchorman: The Legend of Ron Burgundy, Win A Date With Tad Hamilton!, and How To Lose A Guy In Ten Days.

On stage, Kathryn made her Broadway debut as Gloria in Boeing-Boeing (Longacre Theatre). Other theatre credits include A Midsummer Night’s Dream, Hedda Gabler, Chaucer In Rome, Camino Real, Corners, and The Blue Demon (Williamstown Theatre).