Ludwig Donath
Acting
To Die in Paris
General Ludmer
The Spy in the Green Hat
Dr. Heinrich von Kronen
Too Many Thieves
Bulanerti
Torn Curtain
Gustav Lindt
The Dybbuk
Rabbi Azrael
Judgment at Nuremberg
Dr. Wickert
The Veils of Bagdad
Kaffar
Sins of Jezebel
Naboth
My Pal Gus
Karl
Journey Into Light
'Doc' Thorssen
Sirocco
Flophouse Proprietor
The Great Caruso
Alfredo Brazzi
Mystery Submarine
Adolph Guernitz
The Killer That Stalked New York
Dr. Cooper
There's a Girl in My Heart
Professor Joseph Kroner
Jolson Sings Again
Cantor Yoelson
The Great Sinner
Doctor
The Lovable Cheat
Violette
The Fighting O'Flynn
Hendrigg
Sealed Verdict
Jakob Meyersohn
To the Ends of the Earth
Nicholas Sokim
Cigarette Girl
Otto
The Return of Monte Cristo
Judge Lafitte
Blondie Knows Best
Dr. Titus
The Jolson Story
Cantor Yoelson
Renegades
Jackorski
The Devil's Mask
Dr. Karger
Gilda
German Cartel Member
Prison Ship
Professor
Counter-Attack
Mueller
The Master Race
Schmidt (as Louis Donath)
The Hitler Gang
Gustav von Kahr
The Strange Death of Adolf Hitler
Adolf Hitler / Franz Huber
Above Suspicion
Gestapo Officer in Schultz's Laboratory (Uncredited)
This Land Is Mine
German Captain
Hangmen Also Die!
Schirmer
Margin for Error
Hitler's Voice
Reunion in France
Desk Clerk in Hotel (uncredited)
Lady from Chungking
Hans Gruber
The Secret Code
Nazi Prof. Metzger
Girls to Marry
Theodor Herzl, Standard-Bearer of the Jewish People
Prinz Eugen