During the course of his long career as an actor, Schellenberg has twice played legendary Hunkpapa Lakota chief Sitting Bull -- first in the made-for-TV movie Crazy Horse (1996) and again in the telefilm Bury My Heart at Wounded Knee (2007). The latter portrayal netted him his first Emmy nomination.
Schellenberg's most notable work on the big screen includes a central role in Free Willy (1993) and its subsequent sequels in 1995 and 1997, plus supporting parts in Iron Will (1994), The New World (2005) and Eight Below (2006). He died Aug. 15, 2013, at the age of 77.
Ordered to clean up the graffiti he painted at a marine theme park, troubled young Jesse unexpectedly bonds with a killer whale on exhibit. But when the park owner threatens to kill the orca, Jesse must hatch a plan to rescue his aquatic friend.