Cast 39

1. 

   John Wayne

   Colonel Cord McNally

2. 

   Jorge Rivero

   Captain Pierre Cordona (Frenchy)

3. 

   Jennifer O'Neill

   Shasta Delaney

4. 

   Jack Elam

   Phillips

5. 

   Christopher Mitchum

   Seargent Tuscarora Phillips

6. 

   Victor French

   Ketcham

7. 

   Susana Dosamantes

   Maria Carmen

8. 

   Sherry Lansing

   Amelita

9. 

   David Huddleston

   Dr. Ivor Jones

10. 

    Jim Davis

    Rio Lobo Deputy

11. 

    Robert Donner

    Deputy Whitey Carter

12. 

    George Plimpton

    Fourth Gunman

13. 

    Edward Faulkner

    Lt. Harris

14. 

    Peter Jason

    Lt. Ned Forsythe

15. 

    Chuck Courtney

    Chuck

16. 

    Robert Rothwell

    Third Gunman

17. 

    Bill Williams

    Blackthorne Sheriff Pat Cronin

18. 

    Mike Henry

    Rio Lobo Sheriff 'Blue Tom' Hendricks

19. Jim Prejean

    Union Soldier

20. 

    Hank Worden

    Hank, the hotel desk clerk

21. 

    Bob Steele

    Rio Lobo Deputy (uncredited)

22. 

    Chuck Roberson

    Corporal in Baggage Car

23. 

    Chuck Hayward

    (uncredited)

24. 

    Don Barry

    Feeny - Bartender (uncredited)

25. 

    Sondra Currie

    Blackthorne Prostitute (uncredited)

26. Conrad Hool

    Bart (uncredited)

27. Lance Hool

    Picket (uncredited)

28. 

    John Hudkins

    Rio Lobo Deputy (uncredited)

29. Michael Jeffers

    Barfly in Blackthorne (uncredited)

30. Richard LaMarr

    Man in Army Post Saloon (uncredited)

31. 

    John McKee

    Rio Lobo Deputy (uncredited)

32. 

    Boyd 'Red' Morgan

    Train Engineer (uncredited)

33. 

    William H. O'Brien

    Man in Army Post Saloon (uncredited)

34. 

    Gregg Palmer

    Pete - Henchman (uncredited)

35. 

    Chuck Roberson

    Corporal in Baggage Car (uncredited)

36. Danny Sands

    Man Delivering Message to Jail (uncredited)

37. 

    Cap Somers

    Card Player (uncredited)

38. Tommy Tedesco

    Guitar Player in Opening Credits (uncredited)

39. 

    Hank Worden

    Hank - Hotel Clerk (uncredited)

Crew 18