1951 film by William A. Wellman
Across the Wide Missouri is a 1951 American Technicolor Western film directed by William A. Wellman and starring Clark Gable, Ricardo Montalbán, John Hodiak and James Whitmore. The screenplay is based on historian Bernard DeVoto's eponymous 1947 book and dramatizes an account of several fur traders and their interaction with the local Indians.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.