Kate Arrington is an actress, known for the films Hello I Must Be Going, The Missing Person, and The King of Irontown.

Television credits include Saldana on Showtime’s Billions and Sally Holder on CBS' Elementary.

Theatre credits include her Broadway debut as Lili Adler in The American Plan and Abby in Our Mother’s Brief Affair (Samuel J. Friedman Theatre) and Sara in Grace (Cort Theatre); Off-Broadway, as Teri in The Qualms (Playwrights Horizons) and Bea in Happy Now? (59e59 Theater); and regionally, as Cathy Trask in East of Eden, Abby in Belleville, Suzy in The Hot L Baltimore, Sharon in Detroit, Bee in A Parallelogram, Rebecca Eastman/Katarina Meras in Fake, Josie 1 in When the Messenger is Hot, Gretchen in The Well-Appointed Room, Kalina in The Pain and the Itch, and Rosamund in The Violet Hour (Steppenwolf Theatre), and Cora in The Iceman Cometh and Regan in King Lear (Goodman Theatre).