Dan Lauria is an American television, stage, and film actor. He is best known as Jack Arnold on ABC's The Wonder Years, Jack Sullivan on TBS' Sullivan & Sons, and Gus Thompson on ABC's One Life to Live. 

Film credits include The Concessionaires Must Die!, Here's the Kicker, The Waiter, The Signs of the Cross, The Empath, Full Circle, Independence Day, A Bronx Tale, Another Stakeout, and Stakeout. 

Broadway credits include his debut as Vince Lombardi in Lombardi (Circle in the Square Theatre) and Jean Shepherd in A Christmas Story: The Musical (Lunt-Fontanne Theatre). Off-Broadway theatre credits include the production of his own work, Dinner With the Boys, as Charlie (Acorn Theatre); Augustino in A Stone Carver (Soho Playhouse); The Guys (Flea Theater); Lawrence Garfinkel in Other People's Money (Minetta Lane Theatre); Nick the Cripple in Marlon Brando Sat Right Here (Boltax Theatre) and Game Plan (Theatre Four).