Known best for his roles as Greg Cameron and Blake Laviolette on the respective Canadian television series Continuum and Arctic Air, Reardon also appeared in several episodes of Edgemont, Clue, and Tru Calling.
Before beginning his acting career, he trained at London's famous Royal Academy of Dramatic Art (RADA), as well as with The Second City improvisational comedy troupe. In addition, he attended Canada's Mount Allison University, where he was a star collegiate football player.
His film credits include appearances in Scary Movie 4, White Chicks, and Tron: Legacy.
He was born and raised in Halifax, Nova Scotia, Canada. In 2008, he married fellow Canadian television actor Meghan Ory.
He and Adam Beach were both series regulars on Arctic Air.