Zarvos was born in California as the son of Anne Marie Burke & John Arthur Zarvos. He is of Greek and Irish descent.
At a young age he began appearing in television commercials. Zachary has since immersed himself in several disciplines, taught from the Second City Conservatory & the Upright Citizens Brigade Theatre. Currently, he trains at the legendary Playhouse West Repertory Theater in Los Angeles California, founded by Robert Carnegie and Jeff Goldblum in 1981.