Sig Ruman

Hollywood: The Dream Factory

as Self (archive footage)

Way... Way Out

as Russian Delegate

The Fortune Cookie

as Professor Winterhalter

The Last of the Secret Agents?

as Prof. Werner von Koenig

Doom of Dracula

as The Burgomaster (archive footage)

Hank

36 Hours

as German Guard

Daniel Boone

as Van Coot

The Man from U.N.C.L.E.

as Conductor Schultz

The Addams Family

as Eric Von Bissell

Robin and the 7 Hoods

as Hammacher (uncredited)

The Danny Kaye Show

as Self

Petticoat Junction

as Professor Lieberschmit

One, Two, Three

as Count von Droste Schattenburg (voice) (uncredited)

The Errand Boy

as Baron Elston Carteblanche

Pete and Gladys

Around the World with Nellie Bly

as Tug Captain

The Many Loves of Dobie Gillis

as Himelmayer

Johnny Staccato

One Step Beyond

as Franz Schuldorf

Lawman

Maverick

Maverick

as Capt. Steeger

The Wings of Eagles

as Manager

The Dinah Shore Chevy Show

as Self

Spy Chasers

as King Rinko

Many Rivers to Cross

as Spectacle Man

Carolina Cannonball

as Stefan

3 Ring Circus

as Fritz Schlitz

White Christmas

as Landlord (uncredited)

Living It Up

as Dr. Emile Egelhofer

The Glenn Miller Story

as W. Kranz

The Girl on The Roof

Houdini

as Schultz

Stalag 17

as Sgt. Johann Sebastian Schulz

General Electric Theater

as Dr. Haegendorff

Private Secretary

Ma and Pa Kettle on Vacation

as Cyrus Kraft

The World in His Arms

as General Ivan Vorashilov

O. Henry's Full House

as Menkie (segment "The Gift of the Magi") (uncredited)

On the Riviera

as Gapeaux

Father Is a Bachelor

as Jericho Schlosser

Border Incident

as Hugo Wolfgang Ulrich

The Emperor Waltz

as Dr. Zwieback

Give My Regards to Broadway

as Arthur Dinkel

If You Knew Susie

as Count Alexis

Mother Wore Tights

as Papa

Faithful in My Fashion

as Professor Boris Riminoffsky

Night and Day

as Wilowski

A Night in Casablanca

as Count Pfefferman / Heinrich Stubel

The Dolly Sisters

as Ignatz Tsimmis

She Went to the Races

as Dr. Gurke

Men in Her Diary

as Mme. Irene

A Royal Scandal

as General Ronsky

House of Frankenstein

as Burgomeister Hussman

Summer Storm

as Kuzma

The Hitler Gang

as General von Hindenburg

It Happened Tomorrow

as Mr. Beckstein

The Song of Bernadette

as Louis Bouriette

Government Girl

as Ambassador

Sweet Rosie O'Grady

as Joe Flugelman

They Came to Blow Up America

as Dr. Herman Holger

Tarzan Triumphs

as Sergeant

China Girl

as Jarubi

Desperate Journey

as Preuss

Berlin Correspondent

as Dr. Dietrich

Enemy Agents Meet Ellery Queen

as Heinrich, Spy Leader

Crossroads

as Dr. Alex Dubroc

To Be or Not to Be

as Col. Ehrhardt

Remember Pearl Harbor

as Dirk Van Hoorten

Breakdowns of 1941

as Self (archive footage) (uncredited)

This Woman Is Mine

as John Jacob Astor

World Premiere

as Franz von Bushmaster

Shining Victory

as Professor Herman Von Reiter

Love Crazy

as Dr. Wuthering

The Wagons Roll at Night

as Hoffman the Great

That Uncertain Feeling

as Kafka (as Sig Rumann)

The Man Who Lost Himself

as Dr. Simms (as Sig Rumann)

So Ends Our Night

as Ammers

Victory

as Mr. Schomberg

Comrade X

as Emil Von Hofer

Bitter Sweet

as Herr Schlick

Four Sons

as Newmann

I Was an Adventuress

as Herr Protz

Outside the Three-Mile Limit

as Van Cleve

Dr. Ehrlich's Magic Bullet

as Dr. Hans Wolfert

Remember?

as Dr. Schmidt

Ninotchka

as Comrade Iranoff

Only Angels Have Wings

as Dutchy

Confessions of a Nazi Spy

as Krogman

Never Say Die

as Poppa Ingleborg

Honolulu

as Psychiatrist

The Great Waltz

as Wertheimer

Suez

as Sergeant Pellerin

Girls on Probation

as Roger Heath

I'll Give a Million

as Anatole Primerose

Paradise for Three

as Mr. Bold

The Saint in New York

as Hutch Rellin

Thank You, Mr. Moto

as Colonel Tchernov

Nothing Sacred

as Dr. Emil Eggelhoffer

Heidi

as Police Captain

Lancer Spy

as Lt. Col. Gottfried Hollen

Thin Ice

as Prime Minister

Love Under Fire

as General Montero

Think Fast, Mr. Moto

as Nicolas Marloff

A Day at the Races

as Dr. Leopold X. Steinberg

This Is My Affair

as Gus

The Great Hospital Mystery

as Dr. Taggert

Midnight Taxi

as John B. Rudd

Maytime

as Fanchon (as Sig Rumann)

Seventh Heaven

as Durand (as Sig Rumann)

On the Avenue

as Herr Hanfstangel

The Bold Caballero

as Commandante Sebastian Golle

The Princess Comes Across

as Steindorf

East of Java

as Hans Muller

A Night at the Opera

as Gottlieb

The Farmer Takes a Wife

as Blacksmith

Spring Tonic

as Matt Conklin

The Wedding Night

as Mr. Jan Novak

Under Pressure

as Doctor

Marie Galante

as Brogard

Servants' Entrance

as Hans Hansen (as Siegfried Rumann)

The World Moves On

as Baron von Gerhardt (as Siegfried Rumann)

Die Königsloge

as Bailiff

Lucky Boy

as Bridge player (Unbilled)