Sal Mineo as White Bull

Philip Carey as Captain Myles Keogh

Jerome Courtland as Lieutenant Henry Nowlan

H.M. Wynant as Yellow Bull

Joy Page as Prairie Flower

Britt Lomond as General George Armstrong Custer

Rafael Campos as Strong Bear

Herbert Rudley as Captain Benteen

Sydney Smith as General Alfred Howe Terry

John War Eagle as Chief Sitting Bull

Gregg Martell as Corporal Korn

Slim Pickens as Ace

Robert "Buzz" Henry as Lieutenant Crittenden (as Robert Buzz Henry)

Jim Alderman as Cavalryman (uncredited)

Alma Armstrong as Minor Role (uncredited)

Larry Baxter as Cavalryman (uncredited)

George Bernier as Ace's Man (uncredited)

Charles Biles as Cavalryman (uncredited)

Myrtle Brashear as (uncredited)

Claude Brennan as Officer (uncredited)

Tom Bride as Ace's Man (uncredited)

Cliff Burdette as (uncredited)

Lynn Burke as Minor Role (uncredited)

Monroe Carlson as Major Marcus A. Reno (uncredited)

Pat Castor as Officer (uncredited)

Armand Delmar as Minor Role (uncredited)

Leroy Ditmore as Cavalryman (uncredited)

Jack Dusick as Minor Role (uncredited)

Chuck Fite as Cavalryman (uncredited)

Stan Frank as Indian Scout (uncredited)

Harold Green as Indian (uncredited)

Alvin Grimes as Officer (uncredited)

Johnny Guerin as Indian (uncredited)

O. Hensel as (uncredited)

Wayne Houston as Cavalryman (uncredited)

Wallace Lee Hug as Child (uncredited)

Peggy Jaques as Pioneer (uncredited)

Renee Jaques as Pioneer (uncredited)

Leroy Johnson as Minor Role (uncredited)

Karl Kleint as Cavalryman (uncredited)

Clem Klink as Dignitary (uncredited)

Eddie Little Sky as Spotted Tail (uncredited)

Bob Marx as (uncredited)

Harry Miller as (uncredited)

Jack Muhs as Minor Role (uncredited)

Gus Norin as (uncredited)

Robert Patrick as Cavalryman (uncredited)

Bob Patterson as Cavalryman (uncredited)

Hugh Porter as Ace's Man (uncredited)

Dallas Quick as Dignitary (uncredited)

Roland Ray as Minor Role (uncredited)

Morton Remmels as (uncredited)

William 'Red' Reynolds as Cavalryman (uncredited)

Rod Rosebrook as Ace's Man (uncredited)

Gard Safley as Cavalryman (uncredited)

Ed Saluskin as Scout (uncredited)

Walter Schenck as (uncredited)

Alba Shawaway as Scout for Custer / War Dance Drummer / Indian (uncredited)

Nettie Shawaway as (uncredited)

Walt Smead as Ace's Man (uncredited)

Jim Smith as Cavalryman (uncredited)

Frank Stoul as Cavalryman (uncredited)

Leland Thompson as Indian Boy (uncredited)

Chester Von Pelt as Indian (uncredited)

Levi Van Pelt as Child (uncredited)

Harry Welch as Cavalryman (uncredited)

Conrad Well as Orderly (uncredited)

Glenn Wright as Minor Role (uncredited)

Al Wyatt Sr. as Trooper (uncredited)

W.C. Yeomans as Kellogg (uncredited)

C.R. Yount as Cavalryman (uncredited)