George O'Brien as Davy Brandon

Madge Bellamy as Miriam Marsh

Charles Edward Bull as Abraham Lincoln

Cyril Chadwick as Jesson

Will Walling as Thomas Marsh

Francis Powers as Sergeant Slattery

J. Farrell MacDonald as Corporal Casey

Jim Welch as Private Mackay

George Waggner as Buffalo Bill

Fred Kohler as Bauman

James A. Marcus as Judge Haller

Gladys Hulette as Ruby

Jean Arthur as Reporter (uncredited)

Chief John Big Tree as Cheyenne Chief (uncredited)

Winston Miller as Young Davy (uncredited)

Chris Willow Bird as Indian (uncredited)

Danny Borzage as Worker (uncredited)

George Brent as Worker (uncredited)

Milton Brown as Minor Role (uncredited)

Thomas Carr as Rail Worker (uncredited)

Peggy Cartwright as Miriam as a Girl (uncredited)

Colin Chase as Tony - Italian Worker (uncredited)

Harvey Clark as Dentist-Barber (uncredited)

Elmer Dewey as Worker (uncredited)

John Webb Dillion as Tall Woodsman in Prologue (uncredited)

Thomas Durant as Jack Ganzhorn (uncredited)

Bob Fleming as Worker (uncredited)

Willie Fung as Chinaman (uncredited)

Jack Ganzhorn as Thomas C. Durant (uncredited)

James Gordon as David Brandon Sr (uncredited)

James Gordon as David Brandon Sr (uncredited)

Ed Jones as Henchman (uncredited)

Tiny Jones as Tiny Woman Who Wants a Divorce (uncredited)

Sid Jordan as Gunfighter (uncredited)

Dick La Reno as Woker (uncredited)

Delbert Mann as Charles Crocker (uncredited)

Robert Milasch as Hell on Wheels Bartender (uncredited)

Winston Miller as Davy as a Boy (uncredited)

Pat Moriarity as Rail Worker (uncredited)

Charles Newton as Collis P. Huntington (uncredited)

Herman Nowlin as Minor Role (uncredited)

John M. O'Brien as Dinny (uncredited)

Charles O'Malley as Maj. North (uncredited)

Jack Padjan as Wild Bill Hickok (uncredited)

Edward Peil Sr. as Old Chinese Railroad Worker (uncredited)

Jack Richardson as Union Officer at White House (uncredited)

Vinegar Roan as Henchman (uncredited)

Walter Rodgers as Gen. Dodge (uncredited)

Harold D. Schuster as Worker (uncredited)

Tom Smith as Cowhand (uncredited)

Charles Stevens as Indian (uncredited)

Frances Teague as Polka Dot - Dance Hall Girl (uncredited)

Stanhope Wheatcroft as John Hay (uncredited)

Greg Whitespear as Sioux Chief (uncredited)

Leo Willis as Gunman in Saloon (uncredited)

Chief Eagle Wing as Indian (uncredited)