Julian's younger brother is Tammy Davis, who is famous throughout New Zealand as playing Munter on Outrageous Fortune. They also appeared together in the critically acclaimed movie What Becomes of the Broken Hearted?. The two grew up in Raetihi, a small town on the North Island, about halfway between Wellington and Auckland.
Julian speaks Maori as well as English.
Julian is 5'10" tall, with black hair and brown eyes.
Julian is represented professionally by the firm Karen Kay Management.