Became known as a recurring guest star on the hit Disney Channel original series Andi Mack in the role of TJ Kippen.
He first announced that booked Andi Mack via an Instagram post in November of 2017.
He wrote, produced, directed and starred in a 2018 short film called Me, My Phone & I.
He has a younger brother named Aidan Mullen.
He would be featured on Andi Mack which stars Peyton Elizabeth Lee.