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