Ludwig Donath

The Spy in the Green Hat
1967
Dr. Heinrich von Kronen

Torn Curtain
1966
Gustav Lindt

Too Many Thieves
1966
Bulanerti

The Dybbuk
1960
Rabbi Azrael

Judgment at Nuremberg
1959
Dr. Wickert

Sins of Jezebel
1953
Naboth

The Veils of Bagdad
1953
Kaffar

My Pal Gus
1952
Karl

Sirocco
1951
Flophouse Proprietor

The Great Caruso
1951
Alfredo Brazzi

Journey Into Light
1951
'Doc' Thorssen

The Killer That Stalked New York
1950
Dr. Cooper

Mystery Submarine
1950
Dr. Adolph Guernitz

Jolson Sings Again
1949
Cantor Yoelson

The Lovable Cheat
1949
Violette

The Fighting O'Flynn
1949
Hendrigg

There's a Girl in My Heart
1949
Professor Joseph Kroner

The Great Sinner
1949
Doctor

To the Ends of the Earth
1948
Nicholas Sokim

Sealed Verdict
1948
Jakob Meyersohn

Cigarette Girl
1947
Otto

Gilda
1946
German Cartel Member

Blondie Knows Best
1946
Dr. Titus

The Jolson Story
1946
Cantor Yoelson

The Devil's Mask
1946
Dr. Karger

Renegades
1946
Jackorski

Counter-Attack
1945
Mueller

Prison Ship
1945
Professor

The Master Race
1944
Schmidt (as Louis Donath)

The Hitler Gang
1944
Gustav von Kahr

Hangmen Also Die!
1943
Schirmer

The Strange Death of Adolf Hitler
1943
Adolf Hitler / Franz Huber

This Land Is Mine
1943
German Captain

Above Suspicion
1943
Gestapo Officer in Schultz's Laboratory (Uncredited)

Margin for Error
1943
Hitler's Voice

Lady from Chungking
1942
Hans Gruber

The Secret Code
1942
Nazi Prof. Metzger

Reunion in France
1942
Desk Clerk in Hotel (uncredited)

Girls to Marry
1932

Theodor Herzl, Standard-Bearer of the Jewish People
1921
Prinz Eugen

He's Alive

Ernst Ganz