One of five children, Leyden was born and raised in Melbourne, Australia, by his parents, John and Ros. After graduating high school, he attended both Monash University and the National Institute of Dramatic Arts, graduating with degrees in economics and dramatic arts, respectively. The actor starred in the mini-series Tribe, and can be seen in episodes of F.A.R.S.C.A.P.E., Beastmaster and Home and Away. Leyden appeared in the film Under The Gun, and also has a number of regional theater credits. He appeared in the daytime drama, As The World Turns and most recently has guest starred in episodes of the primetime Dragnet and Law and Order: Special Victims Unit. In his spare time, Leyden enjoys playing outdoor sports, the saxophone and guitar. He continues to run a production company called Wandering Wolf Productions with two friends in Melbourne. His birthday is December 16. Leyden currently resides in New York City.