The actor's agent, Jamie Levitt, says Schellenberg died yesterday surrounded by his family.
Schellenberg appeared in numerous television roles and was in all three "Free Willy" movies. In 2007, he was nominated for an Emmy for Best Supporting Actor in a Miniseries or Movie for his role as Chief Sitting Bull in "Bury My Heart at Wounded Knee."
Levitt says one of Schellenberg's last notable works was in 2012, playing the lead in Shakespeare's "King Lear" in an all Canadian cast in at the National Arts Centre in Ottawa.