The Giant of Thunder Mountain (1991)
The Giant of Thunder Mountain is a 1991 drama film starring Richard Kiel (The Spy Who Loved Me) and Noley Thornton (Beverley Hills, 90210). Bart the Bear also appeared in the movie. The screenplay was jointly written by Richard Kiel, Chrystle Fiedler, and Tony Lozito. It was directed by James W. Roberson.
More at Wikipedia.