Kattan was born in Culver City, California. His father, Kip King (1937–2010), was an actor and voice actor. His mother, Hajnalka E. Biro, was once photographed for Playboy and worked as a model in London. His father was Jewish, from a family from Iraq and Poland. His mother, a native of Budapest, Hungary, is a Buddhist. His stepfather was a Buddhist therapist and monk. His half-brother, Andrew Joslyn, is a professional musician and Composer. Kattan was raised on a Zen retreat on Mount San Antonio (Mount Baldy), outside Los Angeles. He lived on Bainbridge Island, Washington, where he attended Bainbridge High School, and graduated in 1989.