(1924) Greed

as Marcus

(1932) The Mask of Fu Manchu

as Von Berg

(1932) The Beast of the City

as Samuel 'Sam' Belmonte

(1925) Fifth Avenue Models

as Mr. Jones - a Crook

(1926) Flames

as Ole Bergson

(1932) Grand Hotel

as Senf

(1935) Mark of the Vampire

as Baron Otto

(1917) The Terror

as Jimm, the Dope

(1919) Love's Prisoner

as Party Guest (uncredited)

(1938) Alexander's Ragtime Band

as Prof. Heinrich

(1938) Happy Landing

as Lars Ericksen

(1926) The Old Soak

as Clement Hawley, Sr.

(1943) Stage Door Canteen

as Jean Hersholt

(1924) Cheap Kisses

as Gustaf Borgstrom

(1933) Dinner at Eight

as Jo Stengel

(1934) The Painted Veil

as Herr Koerber

(1949) Dancing in the Dark

as Jean Hersholt

(1928) Abie's Irish Rose

as Solomon Levy

(1920) The Golden Trail

as Harry Teal

(1923) Jazzmania

as Prince Otto of Como

(1928) The Student Prince in Old Heidelberg

as Dr. Jüttner

(1931) The Phantom of Paris

as Herman

(1939) Mr. Moto in Danger Island

as Mr. Sutter

(1934) The Cat and the Fiddle

as Professor Bertier

(1933) The Crime of the Century

as Dr. Emil Brandt

(1932) Emma

as Frederick Smith

(1934) Men in White

as Dr. Hochberg

(1928) The Battle of the Sexes

as William Judson

(1917) Perils of the Secret Service

as Prince Feodor (Episode #2)

(1917) The Clash of Steel

as Prince Feodor

(1932) Flesh

as Mr. Herman

(1925) Don Q Son of Zorro

as Don Fabrique Borusta

(1931) Susan Lenox (Her Fall and Rise)

as Karl Ohlin

(1936) His Brother's Wife

as Professor 'Pop' Fahrenheim

(1935) Break of Hearts

as Professor Thalma

(1937) One in a Million

as Heinrich Muller

(1930) East Is West

as Man

(1932) Hearts of Humanity

as Sol Bloom

(1932) Are You Listening?

as George Wagner

(1930) Hell Harbor

as Joseph Horngold

(1941) They Meet Again

as Doctor Paul Christian

(1922) When Romance Rides

as Joel Creech

(1929) The Younger Generation

as Julius Goldfish - Pa

(1924) Her Night of Romance

as Joe Diamond

(1937) Seventh Heaven

as Father Chevillon

(1930) The Case of Sergeant Grischa

as Posnanski

(1936) Tough Guy

as Dr. Mulback

(1938) Five of a Kind

as Dr. John Luke

(1940) Remedy for Riches

as Doctor Paul Christian

(1944) To the People of the United States

as Colonel Jensen - Medical Corps

(1932) New Morals for Old

as James Hallett

(1932) Unashamed

as Mr. Schmidt

(1931) Daybreak

as Herr Schnabel

(1934) The Fountain

as Baron von Leyden

(2004) Checking Out: Grand Hotel

as Self (archive footage)

(1930) Viennese Nights

as Herr Hofner, Elsa's Father

(1936) The Country Doctor

as Dr. John Luke

(1937) Heidi

as Adolph Kramer

(1938) I'll Give a Million

as Victor

(1930) Mamba

as August Bolte (Mamba)

(1932) Skyscraper Souls

as Jake

(1925) Stella Dallas

as Ed Munn

(1936) Reunion

as Dr. John Luke

(1928) Give and Take

as John Bauer

(1922) Tess of the Storm Country

as Ben Letts

(1923) Souls for Sale

as Self - Celebrity Actor

(1922) The Strangers' Banquet

as Fiend

(1939) Meet Dr. Christian

as Doctor Paul Christian

(1921) The Four Horsemen of the Apocalypse

as Prof. von Hartrott (uncredited)

(1931) The Sin of Madelon Claudet

as Dr. Dulac

(1929) The Girl on the Barge

as McCadden

(1923) Red Lights

as Ezra Carson

(1917) Black Orchids

as ---

(1940) The Courageous Dr. Christian

as Doctor Paul Christian

(1940) Dr. Christian Meets the Women

as Doctor Paul Christian

(1941) Melody for Three

as Doctor Paul Christian

(1935) Murder in the Fleet

as Victor Hanson

(1917) '49–'17

as 'Gentleman Jim' Raynor

(1932) Night Court

as Herman the Janitor

(1931) Transatlantic

as Rudolph aka Jed Kramer

(1936) Sins of Man

as Christopher Freyman

(1930) The Cat Creeps

as Dr. Patterson

(1926) My Old Dutch

as 'Erb 'Uggins

(1933) Song of the Eagle

as Otto Hoffman

(1916) Hell's Hinges

as Bartender (uncredited)

(1924) So Big

as Aug Hempel

(1928) The Secret Hour

as Tony

(1915) The Disciple

as Mob Member

(1955) Run for Cover

as Mr. Swenson

(1931) Private Lives

as Oscar

(1917) The Soul Herder

as The Minister

(1925) Dangerous Innocence

as Gilchrist

(1928) Jazz Mad

as Franz Hausmann

(1916) The Aryan

as (uncredited)

(1940) Cavalcade of the Academy Awards

as Self

(2003) Complicated Women

as Self (archive footage)

(1954) A Star Is Born World Premiere

as Self

(1930) The Climax

as Luigi Golfanti

(1922) Heart's Haven

as Henry Bird

(1941) Hedda Hopper's Hollywood No. 2

as ---

(1926) The Greater Glory

as Gustav Schmidt

(1928) 13 Washington Square

as 'Deacon' Pyecroft

(1917) Princess Virtue

as Emile Carre

(1917) The Saintly Sinner

as Undetermined Role

(1917) Southern Justice

as Caleb Talbot

(1917) A Stormy Knight

as Dr. Fraser

(1917) Love Aflame

as Reginald

(1921) The Man Of The Forest

as Lem Beasley

(1924) The City of Stars: A Reporters Visit to the Universal Studios

as ---

(1918) Madame Spy

as Count Von Ornstorff

(1927) The Wrong Mr. Wright

as Seymour White

(1927) Alias The Deacon

as George Caswell or The Deacon

(1906) A New Hat for the Madam

as ---

(1916) Kinkaid, Gambler

as ---

(1930) The Third Alarm

as Frank 'Dad' Morton

(1924) The Goldfish

as Herman Krauss

(1926) It Must Be Love

as Pop Schmidt

(1920) The Deceiver

as ---

(1933) Christopher Bean

as Rosen

(1924) Torment

as Boris

(1924) The Woman on the Jury

as Jury Foreman

(1929) Modern Love

as François Renault

(1917) Fighting for Love

as Ferdinand

(1920) The Red Lane

as Vetal Beaulieu

(1918) Little Red Decides

as Sour Milk

(1919) Whom the Gods Would Destroy

as ---

(1948) The Ed Sullivan Show

as Self

(1952) This Is Your Life

as Self

(1950) What's My Line?

as Self - Mystery Guest