Rory O'Malley is an Irish-American film, television, and musical theatre actor, best known for the films 8, Live!, Dreamgirls, and On the Run.

Television credits include Michael on FX’s Partners and Craigslister on the Hulu miniseries It Could Be Worse.

Theatre credits include his Broadway debut in The 25th Annual Putnam County Spelling Bee (Circle in the Square Theatre), King George in Hamilton (Richard Rodgers Theatre), and Ryan Kendall in 8 and Elder McKinley in The Book of Mormon (Eugene O'Neill Theatre); Off-Broadway, as Frank in Little Miss Sunshine and Chaz/Others in Nobody Loves You and (2econd Stage Theatre) and Susan Boyle in NEWSical the Musical (47th Street Theatre); and regionally, as Dromio of Ephesus/Dromio of Syracuse in The Comedy of Errors (Old Globe Theatre) and Richie Cunningham in Happy Days, A New Musical! (Goodspeed Opera House).