Jason John Cook was born in Somerdale, New Jersey on September 13, 1980. Shortly after being born, Jason and his family moved to California. There he developed an interest in music and began studying the piano. Throughout high school, Jason was hired as a pianist for weddings and only became interested in acting after serving as an emergency replacement in his school's production of
Whodunnit?. After that, Jason knew he wanted to be an actor. His father knew a theater manager and Jason's acting career began to take form.
His first acting job was a host for the Disney Channel's
Project Time. In 1999, Jason landed the role of Shawn-Douglas Brady on
Days of our Lives and has played that role since. His credits also include
The Wizard of Loneliness and
Club Med.
In 2005, Jason was arrested for public intoxication and drug possession in Des Moines, Iowa.