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DALLAS -- Canadian-born actor August Schellenberg, who starred in the "Free Willy" films and appeared in numerous television roles, has died at his Dallas home after a fight with lung cancer, his agent said. He was 77.

Schellenberg played the role of Randolph Johnson, a whale trainer in all three "Free Willy" movies. In 2007, he was nominated for an Emmy as a supporting actor for his role as Chief Sitting Bull in the HBO series, "Bury My Heart at Wounded Knee."

One of his last notable works was in 2012, when he played the lead role in an all Canadian cast of Shakespeare’s "King Lear" at the National Arts Centre in Ottawa, said his agent, Jamie Levitt.

Schellenberg, who was born in Montreal, was half Mohawk and half Swiss, according to his website. He was survived by his wife, actress Joan Karasevich, and three daughters. -- The Associated Press