James Whitmore Captain Benteen Actor Tim O'Connor Colonel Sloane Actor James Broderick Al Actor Paul Langton George Actor Jo Helton Julie Actor Mercedes Shirley Joan Actor Russ Bender Hank Actor Daniel Kulick Jo-Jo Actor Lew Gallo Lt. Engle Actor Madge Kennedy Colonist Actor John Ward Colonist Actor Shirley O'Hara Colonist Actor Anthony Benson Colonist Actor Rod Serling Host, Writer Bert Granet Producer Buzz Kulik Director