character - Car Salesman

character - Lt. Matt Carson

character - William Murrell

character - Self

character - Narrator (voice) (uncredited)

character - Karl, aka Dr. Acula

character - Sheriff

character - Nat Burdell

character - Capt. Foley

character - Tanner

character - Maj. Naylor

character - Uncle Ben Allen

character - Ross McLain

character - Mcquaid

character - Lt. Lacy

character - Lefty

character - Sam Mantell (as Kenne Duncun)

character - Henchman Indigo Hubbard

character - Sheriff Barnes

character - Rance

character - Al Bartlett

character - Henchman Dick Cantwell

character - Latigo (uncredited)

character - Michael's Henchman

character - Sgt. Gordon (as Kenneth Duncan)

character - Sheriff Winters

character - Tom Blaine

character - Cal Freeling

character - Morgan

character - Henchman Kirk

character - Steve Dallas

character - Joe Bardet

character - Frank Stevens

character - Nebraska

character - Bill Mayberry

character - Tim Reymond

character - Henchman Bender

character - Sergeant on Sidewalk (uncredited)

character - U.S. Customs Agent Lou Evers

character - Gambler (uncredited)

character - Crawley (uncredited)

character - Rustler talking with Jackson

character - Dr. Chambers [Chs. 1-2, 8]

character - Henchman Brannigan

character - Henchman Steve

character - Sam Priestly

character - (uncredited)

character - Geologist McBride

character - Henchman Hackett

character - Asa Morgan

character - Croupier

character - Henchman

character - Lafe

character - Dow

character - Henchman Pete McAvoy

character - Henchman

character - Henchman Jackson

character - Henchman Felton

character - Frank Hanlon

character - Ben Brady

character - Henchman Joe

character - Henchman (uncredited)

character - Lance - Henchman

character - Charles Mitchell

character - Man in Bar (uncredited)

character - Henchman Johnny Slade

character - Trigger Chandler

character - Servant

character - Al

character - Boarder

character - Brazos Kane

character - Gambler (uncredited)

character - Spade - Henchman

character - Murder Victim (Uncredited)

character - Sidney Brand

character - Whitey - Henchman

character - Dave Brewster

character - Al Herman

character - Arthur Wilkes - Secretary

character - Paul--Deresco Aide

character - Henchman Pete

character - Dr. Paul Dexter

character - Henchman Adams

character - Henchman Gentry [Chs. 7, 11]

character - Henchman Chuck

character - Henchman Ben Bannon

character - Henchman

character - Deputy Barrow

character - Construction Worker (uncredited)

character - Snyder

character - Henchman Turner

character - Henchman

character - Charlie (Uncredited)

character - Tom

character - Homesteader Clark

character - Sheriff Jeff

character - Fred

character - R. J. Cole (as Ken Duncan)

character - Adams

character - Tom Bancroft

character - Blackie

character - George Hooker

character - Hanley

character - Express Rider

character - Henchman Pete

character - Cowboy in Saloon

character - Henchman

character - Marshal Frank Hammond (as Kenneth Duncan)

character - Mulie

character - Henchman Ed Rance (as Kenneth Duncan)

character - Captain Anders (as Kenneth Duncan)

character - FBI Agent Tom

character - Henderson

character - Marvin

character - Henchman Durgan (as Ken Duncan)

character - Abu

character - Deputy Walt

character - Jess Fowler

character - Plug

character - Saloon Henchman

character - Joe

character - Henchman Pete Chandler

character - Jay Lynch

character - Nick

character - Henchman

character - Rod

character - Henchman Scotty

character - Ram Singh, Wentworth's Hindu Chauffeur

character - Barnett

character - Marshal Bob Day (as Ken Duncan)

character - Sergeant on Sidewalk with Sgt. Collins (uncredited)

character - Henchman Bragg

character - J.W. Carlton

character - Michael Bellamy

character - Bob Horner

character - Sheriff Dan Kirk (as Kenneth Duncan)

character - Captain Clay

character - Dave Hendricks

character - Henchman Two-Gun

character - Henchman Brownie

character - Car-Rental Clerk

character - Fred Jones (as Kenneth Duncan)

character - Blaine - Henchman

character - Henchman Tom

character - Chet Adams

character - Bart Wallace

character - Bill Willis

character - Jack

character - Captain Jim Wallace

character - Ranch-Hand Larry

character - Henchman Johnson

character - Henchman

character - Speed Dennison

character - Lt. Lacy

character - Brady

character - The Martian Airfield Captain

character - Ram Singh

character - Henchman Crandall

character - Airdrome Captain

character - Garsatti

character - Henchman Leathers (as Kenneth Duncan)

character - Lorenzo

character - John Sommerset

character - Chick Williams

character - Blake Hardy (as Kenneth Duncan)

character - Office Worker (Uncredited)

character - Wedding Rehearsal Attendant (uncredited)

character - Curly Andrews

character - Clint Scollard