- 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 (voice)
- Harry Dean Stanton - Gant Henchman (uncredited)
- Lee Van Cleef - River Pirate (uncredited)
- Rodolfo Acosta - Gant Gang Member (uncredited)
- Clinton Sundberg - Hylan Seabury (uncredited)
- Willis Bouchey - Civil War Surgeon (uncredited)
- Claude Johnson - Jeremiah Rawlings (uncredited)
- Kim Charney - Sam Prescott (uncredited)
- Bryan Russell - Zeke Prescott (uncredited)
- Stanley Livingston - Prescott Rawlings (uncredited)
- Jay C. Flippen - Huggins (uncredited)
- Tudor Owen - Parson Alec Harvey (uncredited)
- Karl Swenson - Train Conductor (uncredited)
- James Griffith - Poker Player with Cleve (uncredited)
- Jack Pennick - Cpl. Murphy
- Jim Michael - Barfly (uncredited)
- Chuck Roberson - Officer (uncredited)
- Claude Akins - Man (uncredited)
- Mark Allen - Colin Harvey (uncredited)
- Don Anderson - Auction Guest (uncredited)
- Beulah Archuletta - Arapaho Woman (uncredited)
- Robert Banas - Dance Hall Dancer (uncredited)
- Willie Bloom - Barfly (uncredited)
- Bill Borzage - Barfly (uncredited)
- John Breen - Waiter (uncredited)
- Charlie Briggs - Flying Arrow Barker (uncredited)
- Buddy Bryan - Music Hall Dancer / Wagon Train Traveler (uncredited)
- Paul Bryar - Auctioneer's Assistant (uncredited)
- Walter Burke - Wagon Poker Player (uncredited)
- Polly Burson - Stock Player (uncredited)
- Ken Curtis - Cpl. Ben (uncredited)
- John Damler - Lawyer (uncredited)
- Christopher Dark - Poker Player with Cleve (uncredited)
- Kem Dibbs - Blacksmith (uncredited)
- Forrest Draper - Bit Role (uncredited)
- Craig Duncan - James Marshall (uncredited)
- Ben Black Elk Sr. - Arapaho Chief (uncredited)
- Raoul Freeman - Auction Guest (uncredited)
- Sol Gorss - River Pirate (uncredited)
- Tom Greenway - Bit Role (uncredited)
- Barry Harvey - Angus Harvey (uncredited)
- William Henry - Staff Officer (uncredited)
- Jerry Holmes - Railroad Clerk (uncredited)
- Roy Jenson - Henchman (uncredited)
- Walter Kightly - Cavalryman (uncredited)
- Jack Lambert - Gant Henchman (uncredited)
- John Larch - Grimes (uncredited)
- Robert P. Lieb - Bartender (uncredited)
- Herbert Maneval - Schoolboy (uncredited)
- J. Edward McKinley - Auctioneer (uncredited)
- Gary Menteer - Music Hall Dancer / Wagon Train Traveler (uncredited)
- Harold Miller - Auction Guest (uncredited)
- Harry Monty - River Pirate (uncredited)
- Bob Morgan - Member of Train Robbery Gang (uncredited)
- Boyd 'Red' Morgan - River Pirate (uncredited)
- Forbes Murray - Auction Guest (uncredited)
- Robert Nash - Lawyer (uncredited)
- Cliff Osmond - Bartender (uncredited)
- Harvey Parry - Henchman (uncredited)
- Gil Perkins - Henchman (uncredited)
- Red Perkins - Union Soldier (uncredited)
- Murray Pollack - Auction Guest (uncredited)
- Paul Power - Auction Guest (uncredited)
- Frank Radcliffe - Music Hall Dancer / Wagon Train Traveler (uncredited)
- Buddy Red Bow - Arapaho Man (uncredited)
- Walter Reed - River Pirate (uncredited)
- Victor Romito - Henchman (uncredited)
- Jamie Ross - Bruce Harvey (uncredited)
- Gene Roth - Riverboat Poker Player (uncredited)
- Bing Russell - Man (uncredited)
- Danny Sands - Trapeze Man (uncredited)
- Joe Sawyer - Riverboat Officer (uncredited)
- Jeffrey Sayre - Auction Guest (uncredited)
- Phil Schumacher - Bartender (uncredited)
- June Smaney - Saloon Girl (uncredited)
- Kelly Smith - Little Girl (uncredited)
- Dub Taylor - Man (uncredited)
- Ken Terrell - River Pirate (uncredited)
- Jack Tornek - Barfly (uncredited)
- William Wellman Jr. - Officer #2 (uncredited)
- Harry Wilson - Cattleman at Barricade (uncredited)
- Carleton Young - Poker Player with Cleve (uncredited)
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