Gary Cooper
Role: Beau Geste
Ray Milland
Role: John Geste
Robert Preston
Role: Digby Geste
Brian Donlevy
Role: Sergeant Markoff
Susan Hayward
Role: Isobel Rivers
J. Carrol Naish
Role: Rasinoff
Albert Dekker
Role: Schwartz
Broderick Crawford
Role: Hank Miller
Charles Barton
Role: Buddy McMonigal
James Stephenson
Role: Major Henri de Beaujolais
Heather Thatcher
Role: Lady Patricia Brandon
James Burke
Role: Lieutenant Dufour
G.P. Huntley
Role: Augustus Brandon
Donald O'Connor
Role: Beau Geste (as a Child)
Billy Cook
Role: John Geste (as a Child)
Martin Spellman
Role: Digby Geste (as a Child)
Ann Gillis
Role: Isobel Rivers (as a Child)
David Holt
Role: Augustus Brandon (as a Child)
Harvey Stephens
Role: Lieutenant Martin
Stanley Andrews
Role: Maris
Arthur Aylesworth
Role: Renault, a deserter
Henry Brandon
Role: Renouf, another deserter
Barry Macollum
Role: Krenke
Ronald R. Rondell
Role: A Bugler
Joseph E. Bernard
Role: Legionnaire (uncredited)
George Chandler
Role: Legionnaire Cordier (uncredited)
Joseph William Cody
Role: Legionnaire (uncredited)
Joe Colling
Role: Trumpeter O. Leo (uncredited)
Gino Corrado
Role: Recruit Wearing Top Hat (uncredited)
Frank Dawson
Role: Burdon - Butler (uncredited)
Joe Gray
Role: Legionnaire (uncredited)
Duke Green
Role: Legionnaire Glock (uncredited)
Thomas E. Jackson
Role: Colonel in Recruiting Office (uncredited)
Gladys Jeans
Role: Girl in Saida Cafe (uncredited)
Bob Kortman
Role: Maharaja's Agent (uncredited)
Larry Lawson
Role: Legionnaire (uncredited)
Tony Martelli
Role: Minor Role (uncredited)
Francis McDonald
Role: Arab Scout (uncredited)
Nestor Paiva
Role: Corporal Golas (uncredited)
Bob Perry
Role: Bald Legionnaire (uncredited)
George Regas
Role: Arab Scout (uncredited)
Jerome Storm
Role: Sergeant Major (uncredited)
Henry Sylvester
Role: Legionnaire (uncredited)
Carl Voss
Role: Legionnaire (uncredited)
Joe Whitehead
Role: Sergeant (uncredited)
Harry Worth
Role: Corporal (uncredited)