Emile Zola

Paul Muni

Lucie Dreyfus

Gale Sondergaard

Captain Alfred Dreyfus

Joseph Schildkraut

Alexandrine Zola

Gloria Holden

Maitre Labori

Donald Crisp

Nana

Erin O'Brien-Moore

Charpentier

John Litel

Colonel Picquart

Henry O'Neill

Anatole France

Morris Carnovsky

Major Dort

Louis Calhern

Commander of Paris

Ralph Morgan

Major Walsin-Esterhazy

Robert Barrat

Paul Cezanne

Vladimir Sokoloff

Chief of Staff

Harry Davenport

Georges Clemenceau

Grant Mitchell

Colonel Henry

Robert Warwick

Monsieur Delagorgue

Charles Richman

Pierre Dreyfus

Dickie Moore

Minister of War

Gilbert Emery

Cavaignac

Montagu Love

Jeanne Dreyfus

Rolla Gourvitch

Colonel Sandherr

Walter Kingsford

Mr. Richards

Lumsden Hare

Assistant Chief of Staff

Paul Everton

Helen Richards

Marcia Mae Jones

M. Van Cassell

Frank Sheridan

Madame Zola

Florence Roberts

Capt. Guignet

Moroni Olsen

(uncredited)

Franklyn Farnum

Brucker

Egon Brecher

M. Perrenx

Frank Reicher

Senator Scheurer-Kestner

Walter O. Stahl

Albert

Frank Darien

Madame Charpentier

Iphigenie Castiglioni

Chief Censor

Arthur Aylesworth

Mathieu Dreyfus

Frank Mayo

Maj. D'Aboville

Alexander Leftwich

La Rue

Paul Irving

Prefect of Police

Pierre Watkin

Commander of Paris

Holmes Herbert

Gen. Gillian

Robert Cummings Sr.

Lieutenant

Harry Worth

Schwartzkoppen

William von Brincken

Maj. Walsin-Esterhazy

Robert H. Barrat

Gen. Gillian

Robert Cummings