The John Wesley Powell expedition of 1869 explores the dangerous Colorado River, withstands internal dissension, and finally discovers the Grand Canyon.
Brian Keith
Ben Johnson
John Beal
James Drury
R.G. Armstrong
L.Q. Jones
Dan Sheridan
Stan Jones
David Frankham
Roy Barcroft
Jack Big Head
Pat Hogan
Dawn Little Sky
David Stollery
Ray Walker
