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