Jason Alexander is an American actor, comedian, and voice artist, best known as George Costanza on the NBC sitcom, Seinfeld. Other television credits include Cliff Bemis on FOX’s The Grinder, himself on HBO’s Curb Your Enthusiasm, and Tony Kleinman on CBS’ Listen Up.

Film credits include The Gettysburg Address, Hachi: A Dog's Tale, Just Looking, Love! Valour! Compassion!, The Hunchback Of Notre Dame Good Money, The Last Supper, Pretty Woman, Jacob’s Ladder, The Mosquito Coast, and Brighton Beach Memoirs.

Theatre credits include his Broadway Debut as Joe in Merrily We Roll Along (Alvin Theatre), Norman Drexel In Fish In The Dark (Cort Theatre), Accomplice (Richard Rodgers Theatre), Cigar/Tevye/Floy in Jerome Robbins’ Broadway (Imperial Theatre), Stanley in Broadway Bound (Broadhurst Theatre), and Lino/Lenny/Uncle Fausto/Punk in The Rink (Martin Beck Theatre); and Off-Broadway, as Sidney Black in Light Up the Sky (Union Square Theatre), and Louis/Others in Personals (Minetta Lane Theatre).