Zach Hennessey was born on July 18th, 2004 in Las Vegas, Nevada although he spent much of his childhood in Atlanta, GA. Zach had a strong interest in acting when he was very young. When he was only four years old, he would point to the television and say that he wanted to be on T.V.
At age 9, he got hooked on the show 'The Walking Dead' which was being filmed in Atlanta. His parents took him to a Walker Stalker conference and he got to meet a couple of the cast members and got to ask a couple of the kids on the show how they got into acting. From there, he ended up getting introduced his acting coach, Eric Lingvall, and later got signed with his first agency.
After Zach graduated from elementary school in Roswell, GA, his parents too a took a leap of faith, sold their house and moved west to Hollywood, CA so that Zach could pursue his young dreams of becoming an actor. He trains three days per week with his acting coach, John D'Aquino, and attends middle school in Burbank, CA with his older brother.