Casts
Brian Keith
as William Dunn
Ben Johnson
as George Bradley
John Beal
as Maj. John Wesley Powell
James Drury
as Walter Powell
R.G. Armstrong
as Oramel Howland
L.Q. Jones
as Billy Hawkins
Stan Jones
as Seneca Howland
David Frankham
as Frank Goodman
Roy Barcroft
as Jim Baker
Jack Big Head
as Ashtishkel
