Louis Wolheim

Stanislas 'Kat' Katczinsky

Lew Ayres

Paul Bäumer

John Wray

Himmelstoss

Arnold Lucy

Kantorek

Ben Alexander

Franz Kemmerich

Scott Kolk

Leer

Owen Davis Jr.

Peter

Walter Rogers

Behn

William Bakewell

Albert Kropp

Russell Gleason

Mueller

Richard Alexander

Westhus

Harold Goodwin

Detering

Slim Summerville

Tjaden

G. Pat Collins

Bertinck

Beryl Mercer

Paul's Mother

Edmund Breese

Herr Meyer

Ernie Adams

2nd Medic Orderly (uncredited)

Marion Clayton Anderson

Anna Bäumer (uncredited)

Vince Barnett

Assistant Cook (uncredited)

Daisy Belmore

Frau Kemmerick (uncredited)

Glen Boles

Young Soldier (uncredited)

Heinie Conklin

Joseph Hammacher (uncredited)

Yola d'Avril

Suzanne (uncredited)

Arthur Gardner

Student (uncredited)

Raymond Griffith

Gérard Duval (uncredited)

Ellen Hall

Young Girl (uncredited)

William Irving

Ginger - the Cook (uncredited)

Tom London

1st Medic Orderly (uncredited)

Joan Marsh

Poster Girl (uncredited)

Edwin Maxwell

Herr Bäumer (uncredited)

Maurice Murphy

Soldier (uncredited)

Robert Parrish

Schoolboy (uncredited)

Bodil Rosing

Mother of Hospital Patient (uncredited)

Wolfgang Staudte

Minor Role (uncredited)

Dorothy Vernon

Charwoman (uncredited)

Fred Zinnemann

German Soldier / French Ambulance Driver (uncredited)