Christian Bale as Captain Joseph J. Blocker

Rosamund Pike as Rosalee Quaid

Wes Studi as Chief Yellow Hawk

Jesse Plemons as Lieutenant Rudy Kidder

Adam Beach as Black Hawk

Rory Cochrane as Master Sergeant Thomas Metz

Peter Mullan as Lieutenant Colonel Ross McCowan

Scott Wilson as Cyrus Lounde

Paul Anderson as Corporal Tommy Thomas

Timothée Chalamet as Private Philippe DeJardin

Ben Foster as Philip Wills

Jonathan Majors as Corporal Henry Woodson

John Benjamin Hickey as Captain Royce Tolan

Q'orianka Kilcher as Elk Woman

Tanaya Beatty as Living Woman

Bill Camp as Jeremiah Wilks

Scott Shepherd as Wesley Quaid

Ryan Bingham as Sergeant Paul Malloy

Robyn Malcolm as Minnie McCowan

Ava Cooper as Lucy Quaid

Stella Cooper as Sylvie Quaid

David Midthunder as Buffalo Man

Gray Wolf Herrera as Apache Man

Stafford Douglas as Corporal Molinor

Stephen Lang as Colonel Abraham Biggs

Xavier Horsechief as Little Bear

Austin Rising as Fort Winslow Lance Corporal

Scott G. Anderson as Muny (Buffalo Hunter)

Boots Southerland as Outlaw (Buffalo Hunter)

Dicky Eklund Jr. as Hatchet Face (Buffalo Hunter)

Brian Duffy as Silas Lounde

Richard Bucher as Ezekiel Lounde

Luce Rains as Virgil Lounde

James Cady as Train Conductor

Christopher Hagen as Sutler (uncredited)

Rod Rondeaux as Derby (uncredited)

Jack Jackson as Calvary Private (uncredited)