John J. York portrays Mac Scorpio, Port Charles police commissioner. Mac is also responsible for raising his adopted daughters Maxie and Georgie Jones.

John, a native of Chicago's South Side, studied marketing for two years at the University of Whitewater in Wisconsin before returning to Chicago to study acting with Edward Kaye-Martin. He made his professional debut at the Wisdom Bridge Theatre, where he appeared in Picnic, Loss of Roses, Career and Golden Boy.

He moved to Hollywood in 1983 and began appearing on such television series as 21 Jump Street, Murder, She Wrote, Sydney, Family Ties, Newhart, Hunter, and Arthur Hailey's Hotel. John then starred for two seasons as Eric Cord on Werewolf, a horror-action series.

His feature film credits include roles in Steel and Lace, House of the Rising Sun, The Bear (about University of Alabama coach Bear Bryant, with Gary Busey) and Chattanooga Choo Choo. During the filming of the latter project, John met his wife, Vicki, a casting director. They were married on August 15, 1986, and have a daughter, Schyler.

In the few leisure moments he has, John enjoys spending time with his family, riding his bike, working in the yard and garden and playing golf.