Ludwig Donath

To Die in Paris

as General Ludmer

The Spy in the Green Hat

as Dr. Heinrich von Kronen

Too Many Thieves

as Bulanerti

Torn Curtain

as Gustav Lindt

Branded

The Fugitive

as Dr. Josef Karac

The Merv Griffin Show

as Self

Ben Casey

Cain's Hundred

as Hans Saltzman

The Dybbuk

as Rabbi Azrael

The Twilight Zone

as Ernst Ganz

Judgment at Nuremberg

as Dr. Wickert

Naked City

as Owner of Pawnshop

Naked City

as Stefan

Naked City

as Doc Randall Benton

Decoy

as Fred

Decoy

as 'Knish' Levin

Playhouse 90

as Dr. Wickert

Matinee Theater

The Veils of Bagdad

as Kaffar

Sins of Jezebel

as Naboth

My Pal Gus

as Karl

Omnibus

Hallmark Hall of Fame

as Joseph

Journey Into Light

as 'Doc' Thorssen

Sirocco

as Flophouse Proprietor

The Great Caruso

as Alfredo Brazzi

Mystery Submarine

as Adolph Guernitz

The Killer That Stalked New York

as Dr. Cooper

There's a Girl in My Heart

as Professor Joseph Kroner

Jolson Sings Again

as Cantor Yoelson

The Great Sinner

as Doctor

The Lovable Cheat

as Violette

The Fighting O'Flynn

as Hendrigg

Studio One

Sealed Verdict

as Jakob Meyersohn

To the Ends of the Earth

as Nicholas Sokim

Cigarette Girl

as Otto

The Return of Monte Cristo

as Judge Lafitte

Blondie Knows Best

as Dr. Titus

The Jolson Story

as Cantor Yoelson

Renegades

as Jackorski

The Devil's Mask

as Dr. Karger

Gilda

as German Cartel Member

Prison Ship

as Professor

Counter-Attack

as Mueller

The Master Race

as Schmidt (as Louis Donath)

The Hitler Gang

as Gustav von Kahr

The Strange Death of Adolf Hitler

as Adolf Hitler / Franz Huber

Above Suspicion

as Gestapo Officer in Schultz's Laboratory (Uncredited)

This Land Is Mine

as German Captain

Hangmen Also Die!

as Schirmer

Margin for Error

as Hitler's Voice

Reunion in France

as Desk Clerk in Hotel (uncredited)

Lady from Chungking

as Hans Gruber

The Secret Code

as Nazi Prof. Metzger

Girls to Marry

Theodor Herzl, Standard-Bearer of the Jewish People

as Prinz Eugen