After the Civil War, a former Union colonel searches for the two traitors whose perfidy led to the loss of a close friend.
as Colonel Cord McNally
as Captain Pierre Cordona (Frenchy)
as Shasta Delaney
as Phillips
as Seargent Tuscarora Phillips
as Ketcham
as Maria Carmen
as Amelita
as Dr. Ivor Jones
as Rio Lobo Deputy
as Deputy Whitey Carter
as Fourth Gunman
as Lt. Harris
as Lt. Ned Forsythe
as Chuck
as Third Gunman
as Blackthorne Sheriff Pat Cronin
as Rio Lobo Sheriff 'Blue Tom' Hendricks
as Union Soldier
as Hank, the hotel desk clerk
as Rio Lobo Deputy (uncredited)
as Corporal in Baggage Car
as (uncredited)
as Feeny - Bartender (uncredited)
as Blackthorne Prostitute (uncredited)
as Bart (uncredited)
as Picket (uncredited)
as Rio Lobo Deputy (uncredited)
as Barfly in Blackthorne (uncredited)
as Man in Army Post Saloon (uncredited)
as Rio Lobo Deputy (uncredited)
as Train Engineer (uncredited)
as Man in Army Post Saloon (uncredited)
as Pete - Henchman (uncredited)
as Corporal in Baggage Car (uncredited)
as Man Delivering Message to Jail (uncredited)
as Card Player (uncredited)
as Guitar Player in Opening Credits (uncredited)
as Hank - Hotel Clerk (uncredited)