- Carroll Baker
- Eve Prescott
- Lee J. Cobb
- Marshal Lou Ramsey
- Henry Fonda
- Jethro Stuart
- Carolyn Jones
- Julie Rawlings
- Karl Malden
- Zebulon Prescott
- Gregory Peck
- Cleve Van Valen
- George Peppard
- Zeb Rawlings
- Robert Preston
- Roger Morgan
- Debbie Reynolds
- Lilith Prescott
- James Stewart
- Linus Rawlings
- Eli Wallach
- Charlie Gant
- John Wayne
- Gen. William Tecumseh Sherman
- Richard Widmark
- Mike King
- Brigid Bazlen
- Dora Hawkins
- Walter Brennan
- Col. Jeb Hawkins
- David Brian
- Lilith's Attorney
- Andy Devine
- Cpl. Peterson
- Raymond Massey
- Abraham Lincoln
- Agnes Moorehead
- Rebecca Prescott
- Harry Morgan
- Gen. Ulysses S. Grant
- Thelma Ritter
- Agatha Clegg
- Mickey Shaughnessy
- Deputy Stover
- Russ Tamblyn
- Confederate Deserter
- Spencer Tracy
- Narrator
- Rodolfo Acosta
- Gant Gang Member
- Claude Akins
- Man
- Mark Allen
- Colin Harvey
- Don Anderson
- Auction Guest
- Beulah Archuletta
- Arapaho Woman
- Robert Banas
- Dance Hall Dancer
- Willie Bloom
- Barfly
- Bill Borzage
- Barfly
- Willis Bouchey
- Surgeon
- John Breen
- Waiter
- Charlie Briggs
- Flying Arrow Barker
- Buddy Bryan
- Music Hall Dancer / Wagon Train Traveller (uncredited)
- Paul Bryar
- Auctioneer's Assistant
- Walter Burke
- Wagon Poker Player
- Polly Burson
- Stock Player
- Kim Charney
- Sam Prescott
- Ken Curtis
- Cpl. Ben
- John Damler
- Lawyer
- Christopher Dark
- Poker Player with Cleve
- Kem Dibbs
- Blacksmith
- Forrest Draper
- Bit Role
- Craig Duncan
- James Marshall
- Ben Black Elk Sr.
- Arapaho Chief
- Jay C. Flippen
- Huggins
- Raoul Freeman
- Auction Guest
- Sol Gorss
- River Pirate
- Tom Greenway
- (uncredited)
- James Griffith
- Poker Player with Cleve
- Barry Harvey
- Angus Harvey
- William Henry
- Staff Officer
- Jerry Holmes
- Railroad Clerk
- Roy Jenson
- Henchman
- Claude Johnson
- Jeremiah Rawlings
- Walter Kightly
- Cavalryman
- Jack Lambert
- Gant Henchman
- John Larch
- Grimes
- Robert P. Lieb
- Bartender
- Stanley Livingston
- Prescott Rawlings
- Herbert Maneval
- Schoolboy
- J. Edward McKinley
- Auctioneer
- Gary Menteer
- Music Hall Dancer / Wagon Train Traveller (uncredited)
- Jim Michael
- Barfly
- Harold Miller
- Auction Guest
- Harry Monty
- River Pirate
- Bob Morgan
- Member of Train Robbery Gang
- Boyd 'Red' Morgan
- River Pirate
- Forbes Murray
- Auction Guest
- Robert Nash
- Lawyer
- Cliff Osmond
- Bartender
- Tudor Owen
- Parson Alec Harvey
- Harvey Parry
- Henchman
- Jack Pennick
- Cpl. Murphy
- Gil Perkins
- Henchman
- Red Perkins
- Union Soldier
- Murray Pollack
- Auction Guest
- Paul Power
- Auction Guest
- Frank Radcliffe
- Music Hall Dancer / Wagon Train Traveller (uncredited)
- Buddy Red Bow
- Arapaho Man
- Walter Reed
- River Pirate
- Chuck Roberson
- Officer
- Victor Romito
- Henchman
- Jamie Ross
- Bruce Harvey
- Gene Roth
- Riverboat Poker Player
- Bing Russell
- Man
- Bryan Russell
- Zeke Prescott
- Danny Sands
- Trapeze Man
- Joe Sawyer
- Riverboat Officer
- Jeffrey Sayre
- Auction Guest
- Phil Schumacher
- Bartender
- June Smaney
- Saloon Girl
- Kelly Smith
- Little Girl
- Harry Dean Stanton
- Gant Henchman
- Clinton Sundberg
- Hylan Seabury
- Karl Swenson
- Train Conductor
- Dub Taylor
- Man
- Ken Terrell
- River Pirate
- Jack Tornek
- Barfly
- Lee Van Cleef
- River Pirate
- William Wellman Jr.
- Officer #2
- Harry Wilson
- Cattleman at Barricade
- Carleton Young
- Poker Player with Cleve