Jensen was born in Dallas, Texas, to Alan Roger Ackles, an actor, and Donna Joan Shaffer. Ackles has an older brother, Joshua, and a younger sister, Mackenzie, and is of Irish, British and German ancestry. He had planned to study sports medicine at Texas Tech University and become a physical therapist but instead moved to Los Angeles to start his acting career.
Supernatural Season 10 Interviews: Jensen Ackles, Jared Padalecki, Misha Collins and More [Comic-Con 2014]
'Supernatural': Jensen Ackles reveals Dean's Mark of Cain side effects, continuing struggles with SamMore >