Adamson became interested in acting when he was a Junior at Alta High in an acting class. Then that summer, he was cast as Othello in the production Othello. He then attended the American Academy of Dramatic Arts until 2005 and loved acting ever since. He was only 18 when he moved to Hollywood calling it 'the roughest three years of my life.' His career role model is Christian Bale after he saw him in Empire of the Sun. He is also known to eat mayonnaise directly out of the jar. "Keeps me young," he says. Adamson and fiancée Linsey Godfrey welcomed their first child, a daughter, on June 12, 2014. On August 3, 2015, a representative for The Bold and the Beautiful confirmed that Adamson and Godfrey had ended their engagement, however, they would continue to raise their daughter "in a loving and amicable environment and her needs will always be their common priority".