Jack Mulcahy is an American actor best known for playing the eldest brother Jack McMullen in the Edward Burns' film The Brothers McMullen as well as playing Wesley York in Sex & the City.
Jack started in the entertainment business as a lead vocalist and guitarist for various popular rock 'n' roll bands in and around New York City. He got a taste of movie success with his very first film, Porky's directed by Bob Clark. After the sequel, Porky's II: The Next Day Jack appeared in several films and television shows including Law & Order; NYPD Blue; Awakenings; and Cadillac Man.
In 2006, Jack turned some of his attention to producing. He produced in a play called PrimeTime written by Alex DeWitt and directed by Fern Lopez. It opened the 2006 Off-Broadway Spring/Summer season to glowing notices and sold-out houses. After a few seasons away from the stage he went back to the boards in 2010 and starred in the Off Broadway showcase of FRICTION.
After FRICTION, Jack went on a run of lead roles, starring in five films. One, a slacker comedy "Stuck In The Middle" that took the 2011 film festival circuit by storm, delighting audiences and garnering several four-star reviews.