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