Priestley started out making commercials and working as a child actor in his native Canada, before moving to Los Angeles in 1987. After guest appearances on popular shows such as 21 Jump Street, MacGyver, and Quantum Leap, Priestley landed a recurring role as an orphan on the short-lived sitcom Sister Kate in 1989. It was his next acting gig that led to a career breakthrough. In the fall of 1990, Priestley starred in Beverly Hills, 90210—a primetime drama created by super producer Aaron Spelling. He played Brandon Walsh, a wholesome teenager who moves to Beverly Hills from Minnesota with his parents and twin sister Brenda, played by Shannen Doherty.
Audiences delighted in taking a fictional look at the happenings at West Beverly High School—the hook-ups, the break-ups, the fights, and the friendships. During the show’s run, it tackled numerous issues, such as sex, peer pressure, drinking, and drug abuse. With the role of Brandon Walsh, Priestley became the object of great admiration by fans. In 1993, he earned his first Golden Globe nomination for Best Performance by an Actor in a Television Series – Drama for his portrayal of Brandon. Brandon Walsh, with his fairly solid moral compass, served as a role model for many of the show’s young viewers. He was nominated for the same award in 1995.
While on the series, Priestley appeared in several movies, including Tombstone (1993), Calendar Girl (1993), and Love and Death on Long Island (1997) with John Hurt, which received mostly positive reviews. Priestley also tried his hand at directing, taking the reins of several episodes of Beverly Hills, 90210 and several music videos, including the one for the song “The Old Apartment” by the Canadian band Barenaked Ladies in 1996. Priestley left the show in 1998 to pursue other opportunities. In 1999 he appeared in the cable television movie, Kiss Tomorrow Goodbye, which he also directed and executive produced.
Priestley also directed a documentary about the band Barenaked Ladies entitled Barenaked in America. In 2000, Priestley appeared on stage in the London production of Side Man, the Tony Award-winning play by Warren Leight. Priestley played Clifford, the son of a jazz musician and an alcoholic. Edie Falco of The Sopranos fame played his mother. That same year he returned to his old television stomping grounds—Beverly Hills, 90210—for the series finale. Besides acting, Priestley pursued a career as a race car driver. Priestley starred as the title character in the 2010 Canadian dark comedy Call Me Fitz.
- She Came In Through The Bathroom Window • And Did It... My Way • The Time Has Come Today • Things that Go Bang in the Night • Must Be a Guy Thing • Angels We Have Heard on High • Fade In, Fade Out • Bleeding Hearts • Jobbed • With This Ring • Sweating It Out • If I Had a Hammer • Graduation Day: Part 1 • Graduation Day: Part 2
- Twin brother of actor Justine Priestley.
- His favorite band is Siouxsie and the Banshees.