The John Wesley Powell expedition of 1869 explores the dangerous Colorado River, withstands internal dissension, and finally discovers the Grand Canyon.
Director:
Brian Keith
William Dunn
Ben Johnson
George Bradley
John Beal
Maj. John Wesley Powell
James Drury
Walter Powell
R.G. Armstrong
Oramel Howland
L.Q. Jones
Billy Hawkins
Dan Sheridan
Jack Sumner
Stan Jones
Seneca Howland
David Frankham
Frank Goodman
Roy Barcroft
Jim Baker
Jack Big Head
Ashtishkel
Pat Hogan
Indian chief
Dawn Little Sky
Indian woman
David Stollery
Andrew 'Andy' Hall
Ray Walker
