Self (archive footage)
Hollywood: The Dream Factory (1972)
Russian Delegate
Way... Way Out (1966)
Professor Winterhalter
포춘 쿠키 (1966)
Prof. Werner von Koenig
The Last of the Secret Agents? (1966)
The Burgomaster
Doom of Dracula (1966)
German Guard
36시간 (1964)
Hammacher (uncredited)
로빈 후드 (1964)
Count von Droste Schattenburg (voice) (uncredited)
원, 투, 쓰리 (1961)
Baron Elston Carteblanche
심부름꾼 (1961)
Manager
남자의 생애 (1957)
King Rinko
Spy Chasers (1955)
Spectacle Man
Many Rivers to Cross (1955)
Stefan
Carolina Cannonball (1955)
Fritz Schlitz
3 Ring Circus (1954)
Landlord (uncredited)
화이트 크리스마스 (1954)
Dr. Emile Egelhofer
Living It Up (1954)
W. Kranz
글렌 밀러 스토리 (1954)
Die Jungfrau auf dem Dach (1953)
Schultz
마술의 사나이 (1953)
Sgt. Johann Sebastian Schulz
제17 포로수용소 (1953)
Cyrus Kraft
Ma and Pa Kettle on Vacation (1952)
General Ivan Vorashilov
세계를 그의 품안에 (1952)
Menkie (segment "The Gift of the Magi") (uncredited)
인생의 종착역 (1952)
Gapeaux
헨리의 사랑찾기 (1951)
Jericho Schlosser
Father Is a Bachelor (1950)
Hugo Wolfgang Ulrich
Border Incident (1949)
Dr. Zwieback
황제원무곡 (1948)
Arthur Dinkel
Give My Regards to Broadway (1948)
Count Alexis
If You Knew Susie (1948)
Papa
마더 워 타이츠 (1947)
Professor Boris Riminoffsky
Faithful in My Fashion (1946)
Wilowski
Night and Day (1946)
Count Pfefferman / Heinrich Stubel
카사블랑카에서의 하룻밤 (1946)
Ignatz Tsimmis
The Dolly Sisters (1945)
Dr. Gurke
She Went to the Races (1945)
Mme. Irene
Men in Her Diary (1945)
General Ronsky
A Royal Scandal (1945)
Burgomeister Hussman
프랑켄슈타인의 집 (1944)
Kuzma
Summer Storm (1944)
General von Hindenburg
The Hitler Gang (1944)
Mr. Beckstein
내일 일어날 일 (1944)
Louis Bouriette
베르나데트의 노래 (1943)
Ambassador
Government Girl (1943)
Joe Flugelman
Sweet Rosie O'Grady (1943)
Dr. Herman Holger
They Came to Blow Up America (1943)
Sergeant
타잔의 승리 (1943)
Jarubi
China Girl (1942)
Preuss
Desperate Journey (1942)
Dr. Dietrich
Berlin Correspondent (1942)
Heinrich, Spy Leader
Enemy Agents Meet Ellery Queen (1942)
Dr. Alex Dubroc
Crossroads (1942)
Col. Ehrhardt
사느냐 죽느냐 (1942)
Dirk Van Hoorten
Remember Pearl Harbor (1942)
Self (archive footage) (uncredited)
Breakdowns of 1941 (1941)
John Jacob Astor
This Woman Is Mine (1941)
Franz von Bushmaster
World Premiere (1941)
Professor Herman Von Reiter
Shining Victory (1941)
Dr. Wuthering
Love Crazy (1941)
Hoffman the Great
The Wagons Roll at Night (1941)
Kafka (as Sig Rumann)
막연한 그 감정 (1941)
Dr. Simms (as Sig Rumann)
The Man Who Lost Himself (1941)
Ammers
So Ends Our Night (1941)
Mr. Schomberg
Victory (1940)
Emil Von Hofer
Comrade X (1940)
Herr Schlick
Bitter Sweet (1940)
Newmann
Four Sons (1940)
Herr Protz
I Was an Adventuress (1940)
Van Cleve
Outside the Three-Mile Limit (1940)
Dr. Hans Wolfert
Dr. Ehrlich's Magic Bullet (1940)
Dr. Schmidt
Remember? (1939)
Comrade Iranoff
니노치카 (1939)
Dutchy
천사만이 날개를 가졌다 (1939)
Krogman
Confessions of a Nazi Spy (1939)
Poppa Ingleborg
Never Say Die (1939)
Psychiatrist
Honolulu (1939)
Wertheimer
The Great Waltz (1938)
Sergeant Pellerin
Suez (1938)
Roger Heath
Girls on Probation (1938)
Anatole Primerose
I'll Give a Million (1938)
Mr. Bold
Paradise for Three (1938)
Hutch Rellin
The Saint in New York (1938)
Colonel Tchernov
Thank You, Mr. Moto (1937)
Dr. Emil Eggelhoffer
낫씽 세이크리드 (1937)
Police Captain
Heidi (1937)
Lt. Col. Gottfried Hollen
Lancer Spy (1937)
Prime Minister
Thin Ice (1937)
General Montero
Love Under Fire (1937)
Nicolas Marloff
Think Fast, Mr. Moto (1937)
Dr. Leopold X. Steinberg
경마장의 하루 (1937)
Gus
This Is My Affair (1937)
Dr. Taggert
The Great Hospital Mystery (1937)
John B. Rudd
Midnight Taxi (1937)
Fanchon (as Sig Rumann)
Maytime (1937)
Durand (as Sig Rumann)
Seventh Heaven (1937)
Herr Hanfstangel
On the Avenue (1937)
Commandante Sebastian Golle
The Bold Caballero (1936)
Steindorf
The Princess Comes Across (1936)
Hans Muller
East of Java (1935)
Gottlieb
오페라의 밤 (1935)
Blacksmith (as Siegfried Rumann)
The Farmer Takes a Wife (1935)
Matt Conklin
Spring Tonic (1935)
Mr. Jan Novak
웨딩 나이트 (1935)
Doctor
Under Pressure (1935)
Brogard
Marie Galante (1934)
Hans Hansen (as Siegfried Rumann)
Servants' Entrance (1934)
Baron von Gerhardt (as Siegfried Rumann)
The World Moves On (1934)
Bailiff
Die Königsloge (1929)
Bridge player (Unbilled)
Lucky Boy (1929)