Craig Olejnik was born in Halifax, Canada. He graduated from West Kings District High School in Auburn, Nova Scotia. His father was in the Canadian military. His grandfather was a soldier and POW for five years in Poland during WWII. After his release, his grandparents immigrated to Canada from Poland.
His breakout role was as the lead character Toby Logan on the popular TV show The Listener, where he played a young telepath. He was also executive producer in the final season