John Wayne

Col. Cord McNally

Jorge Rivero

Capt. Pierre Cordona

Jennifer O'Neill

Shasta Delaney

Jack Elam

Phillips

Christopher Mitchum

Sgt. Tuscarora Phillips

Victor French

Ketcham

Susana Dosamantes

Maria Carmen

Sherry Lansing

Amelita

David Huddleston

Dr. Ivor Jones

Mike Henry

Rio Lobo Sheriff 'Blue Tom' Hendricks

Bill Williams

Blackthorne Sheriff Pat Cronin

Jim Davis

Riley

Dean Smith

Bide

Robert Donner

Whitey Carter

George Plimpton

George, Whitey's 4th Henchman

Edward Faulkner

Lt. Harris

Peter Jason

Lt. Ned Forsythe

Chuck Courtney

Chuck, Whitey's 2nd Henchman

Robert Rothwell

Whitey's 3rd Henchman

Don 'Red' Barry

Feeny - Bartender (uncredited)

Sondra Currie

Blackthorne Prostitute (uncredited)

Chuck Hayward

(uncredited)

Conrad Hool

Bart (uncredited)

Lance Hool

Picket (uncredited)

John Hudkins

Rio Lobo Deputy (uncredited)

Michael Jeffers

Barfly in Blackthorne (uncredited)

Frank Kennedy

Minor Role (uncredited)

Richard LaMarr

Man in Army Post Saloon (uncredited)

John McKee

Rio Lobo Deputy (uncredited)

Boyd 'Red' Morgan

Train Engineer (uncredited)

William H. O'Brien

Man in Army Post Saloon (uncredited)

Gregg Palmer

Pete - Henchman (uncredited)

Jim Prejean

Union Soldier (uncredited)

Rudy Robbins

Man (uncredited)

Chuck Roberson

Corporal in Baggage Car (uncredited)

Danny Sands

Man Delivering Message to Jail (uncredited)

Cap Somers

Card Player (uncredited)

Bob Steele

Rio Lobo Deputy (uncredited)

Tommy Tedesco

Guitar Player in Opening Credits (uncredited)

Ethan Wayne

Boy (uncredited)

Hank Worden

Hank - Hotel Clerk (uncredited)

Howard Hawks

Producer

Howard Hawks

Director

William H. Clothier

Director of Photography

Jerry Goldsmith

Original Music Composer

John Woodcock

Editor

Burton Wohl

Story

Burton Wohl

Screenplay

Leigh Brackett

Screenplay

Hoyt Bowers

Casting

Robert Emmet Smith

Production Design

Monty Westmore

Makeup Designer

Terry Leonard

Stunt Double

Hal Needham

Stunts

Leah Rhodes

Costume Design

Yakima Canutt

Second Unit Director

William Kiernan

Set Decoration

Dan Perri

Title Designer

John R. Carter

Sound

Paul Helmick

Associate Producer

Jean Austin

Hairstylist

Dave Grayson

Makeup Artist

Robert M. Beche

Unit Production Manager

Mike Moder

Assistant Director

Robert Stein

Third Assistant Director

Bill Dietz

Assistant Property Master

Ray Mercer Jr.

Property Master

Craig Binkley

Assistant Property Master

Lloyd R. Apperson

Construction Foreman

Jack A. Finlay

Supervising Sound Editor

A.D. Flowers

Special Effects

Cliff Wenger

Special Effects

Frank Kennedy

Extras Casting

Patricia Norris

Costumer

Theodore R. Parvin

Costumer

Luster Bayless

Wardrobe Master

Joan Joseff

Other

Dennis L. Judd II

Location Coordinator

Joe Canutt

Stunts

Tap Canutt

Stunts

Chuck Courtney

Stunts

Steve DeFrance

Stunts

Tony Epper

Stunts

Jerry Gatlin

Stunts

Chuck Hayward

Stunts

Chuck Henson

Stunts

John Hudkins

Stunts

Ace Hudkins

Stunts

Terry Leonard

Stunts

Boyd 'Red' Morgan

Stunts

Kimo Owens

Stunts

Rudy Robbins

Stunts

Chuck Roberson

Stunts

Chuck Roberson

Stunt Double

Danny Sands

Stunts

Dean Smith

Stunts

Neil Summers

Stunts

Jack Williams

Stunts

Rodd Wolff

Stunts

Richard 'Dub' Wright

Stunts

Jack N. Young

Stunt Double

William Dodds

Camera Operator

Harry R. Jones

Key Grip

James V. Vajana

Gaffer

Lloyd Ahern II

Assistant Camera

Richard Barth

First Assistant Camera

Frank Redmond

Assistant Camera

Bill Johnson

Camera Operator

Gene Feldman

Supervising Music Editor

Arthur Morton

Orchestrator

Robert Bain

Musician

Israel Baker

Musician

Harry Bluestone

Musician

Vince De Rosa

Musician

Bob DiVall

Musician

Bonnie Jean Douglas

Musician

Dominick Fera

Musician

Carl Fortina

Musician

Sam Freed Jr.

Musician

Jerry Goldsmith

Conductor

Alton Hendrickson

Musician

Norman Herzburg

Musician

William Hinshaw

Musician

Artie Kane

Musician

Dennis Karmazyn

Musician

Abe Luboff

Musician

Alfred Lustgarten

Musician

Edgar Lustgarten

Musician

Virginia Majewski

Musician

Peter Mercurio

Musician

Tommy Morgan

Musician

Richard Nash

Musician

Erno Neufeld

Musician

John Neufeld

Musician

Richard Perissi

Musician

Emil Richards

Musician

Frederick Seykora

Musician

Paul Shure

Musician

Henry Sigismonti

Musician

Sheridon Stokes

Musician

David Tamkin

Music Arranger

Tommy Tedesco

Musician

Milton Thomas

Musician

Louise Di Tullio

Musician

Lloyd Ulyate

Musician

Gerald Vinci

Musician

Al Viola

Musician

Ken Watson

Musician

Graham Young

Musician

Mary Louise Zeyen

Musician

Marshall J. Wolins

Script Supervisor

Don Record

Title Designer

Chema Hernández

Animal Wrangler

Danny Sands

Dialogue Coach