Kirk Douglas

Character: Johnny Hawks

Elsa Martinelli

Character: Onahti

Walter Matthau

Character: Wes Todd

Diana Douglas

Character: Susan Rogers

Walter Abel

Character: Captain Trask

Lon Chaney Jr.

Character: Chivington

Eduard Franz

Character: Red Cloud

Harry Landers

Character: Grey Wolf / Captain Trask Attaché

Alan Hale Jr.

Character: Will Crabtree

Michael Winkelman

Character: Tommy Rogers

Elisha Cook Jr.

Character: Briggs

Ray Teal

Character: Morgan

Frank Cady

Character: Trader Joe

Hank Worden

Character: Crazy Bear / Guardhouse Keeper

Lane Chandler

Character: Head Settler (uncredited)

Robert "Buzz" Henry

Character: Lt. Shaeffer (uncredited)

William Phipps

Character: Lt. Blake