cast
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Brian Keith
William Dunn
-
Ben Johnson
George Bradley
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John Beal
Maj. John Wesley Powell
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James Drury
Walter Powell
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R.G. Armstrong
Oramel Howland
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L.Q. Jones
Billy Hawkins
- Dan Sheridan Jack Sumner
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Stan Jones
Seneca Howland
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David Frankham
Frank Goodman
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Roy Barcroft
Jim Baker
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Jack Big Head
Ashtishkel
-
Pat Hogan
Indian chief
- Dawn Little Sky Indian woman
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David Stollery
Andrew 'Andy' Hall
-
Ray Walker
McSpadden (uncredited)