John Wayne as Chance Buckman

Katharine Ross as Tish Buckman

Jim Hutton as Greg Parker

Vera Miles as Madelyn Buckman

Jay C. Flippen as Jack Lomax

Bruce Cabot as Joe Horn

Edward Faulkner as George Harris

Edmund Hashim as Colonel Valdez

Barbara Stuart as Irene Foster

Valentin de Vargas as Amal Bokru

Frances Fong as Madame Loo

Alberto Morin as General Lopez

Alan Caillou as Harry York

Laraine Stephens as Helen Meadows

John Alderson as Jim Hatch

Lal Chand Mehra as Dr. Songla

Rudy Diaz as Zamora

Bebe Louie as Gumdrop

Chris Chandler as Houston TV Reporter

William Hardy as

Howard Finch as Ed 'Cal' Calhoun

Richard 'Cactus' Pryor as Chance's Doctor

Big John Hamilton as Lipman

Elizabeth Germaine as

Chuck Roberson as Firefighter in Plane (uncredited)

John Stephenson as Mr. Chapman (uncredited)

Edward Colmans as Senor Caldez (uncredited)

Pedro Gonzalez Gonzalez as Hernando (uncredited)

Eddie Smith as Caddie (uncredited)

George Hoagland as Hotel Guest (uncredited)

Kenner G. Kemp as Restaurant Patron (uncredited)

Leon Alton as Restaurant Patron (uncredited)

Shep Houghton as Restaurant Patron (uncredited)

Ethelreda Leopold as Restaurant Patron (uncredited)

Leoda Richards as Restaurant Patron (uncredited)