Acting · Waldkirch, Baden-Württemberg, Germany · Born December 16, 1895
TVGarrison's Gorillas
1967
MovieSpy Smasher Returns
1966
as Col. Von Kahr
MovieThe Prize
1963
as Mr. Rolfe Bergh - Chaperon
MovieDecision at Midnight
1963
as Uncle
TVSaints and Sinners
1962
as Otto Masuis
MovieThe Pigeon That Took Rome
1962
as Col. Wilhelm Krafft
MovieOn the Double
1961
as Oberkommandant
TVThe Rebel
1959
as Frank Gottwald
MovieA Private's Affair
1959
as Dr. Leyden
TVOne Step Beyond
1959
as Josef
TV77 Sunset Strip
1958
MovieFrankenstein 1970
1958
as Wilhelm Gottfried
MovieShe Demons
1958
as Col. Karl Osler
TVThe Walter Winchell File
1957
TVAlfred Hitchcock Presents
1955
as Cafe Host
MovieThe Snow Creature
1954
as Dr. Louis DuPont
MovieA Star Is Born
1954
as Mr. Ettinger (uncredited)
MovieJungle Gents
1954
as Dr. Goebbel
MovieMagnificent Obsession
1954
as Dr. Albert Fuss
MovieKing Richard and the Crusaders
1954
as Austrian Knight (uncredited)
MovieSilver Needle in the Sky
1954
as Dr. Loran
MovieCaptain Scarface
1953
as Dr. Yeager
MovieSouth Sea Woman
1953
as Capt. van Dorck
MoviePhantom from Space
1953
as Dr. Wyatt
TVAdventures of Superman
1952
TVDangerous Assignment
1952
MovieTarget Unknown
1951
as Doctor (uncredited)
TVSpace Patrol
1950
MovieKill or Be Killed
1950
as Gregory Marek
MovieAct of Violence
1949
as German (voice) (uncredited)
MovieDangerous Millions
1946
as Rudolph Busch
MovieUnder Nevada Skies
1946
as Alberti
MovieEscape in the Desert
1945
as Hoffman
MovieCounter-Attack
1945
as Stillman
MovieSherlock Holmes and the Secret Weapon
1942
as Braun (uncredited)
MovieThe Great Impersonation
1942
as Karl Hofmann
MovieJunior Army
1942
as Horner - Nazi Saboteur (as Robert O. Davis)
MovieThe Devil with Hitler
1942
as Nazi Officer at Hitler's filmed Speech (uncredited)
MovieDesperate Journey
1942
as Kruse
MovieThe Secret Code
1942
as Rudi Thysson
MovieThe Pied Piper
1942
as Lieutenant
MovieRiders of the Northland
1942
as Agent (as Robert O. Davis)
MovieThe Phantom Plainsmen
1942
as Colonel Eric Hartwig (as Robert O. Davis)
MovieEagle Squadron
1942
as German Squad Leader
MovieSpy Smasher
1942
as Col. Von Kohr
MovieTo Be or Not to Be
1942
as Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited)
MovieNazi Agent
1942
as Cab Driver (uncredited)
MovieKing of the Texas Rangers
1941
as His Excellency
MovieA Dangerous Game
1941
as Dr. Fleming
MovieDown in San Diego
1941
as Henry Schrode
MovieUnderground
1941
as Official
MovieMr. Dynamite
1941
as Frederick the Butler
MovieArise, My Love
1940
as Prussian Officer (uncredited)
MovieMeet the Wildcat
1940
as Feral--Henchman
MovieThe Great Dictator
1940
as Tomanian Commandant at Osterlich / Robert O. Davis
MovieKnute Rockne All American
1940
as Elder in Norway (uncredited)
MovieThe Man I Married
1940
as Storm Trooper
MovieThe Mortal Storm
1940
as Gestapo Official Hartman
MovieEscape to Paradise
1939
as Alexander Komac
MovieThe Mad Empress
1939
as Herzfeld
MoviePack Up Your Troubles
1939
as Von Richtman
MovieEspionage Agent
1939
as Paul Strawn (as Robert O. Davis)
MovieConfessions of a Nazi Spy
1939
as Captain Straubel
MovieThat Mothers Might Live
1938
as Doctor (uncredited)
MovieChampagne Waltz
1937
as Emperor Franz Joseph
MovieWe're in the Legion Now
1936
as Sgt. Groeber
MovieLast of the Pagans
1935
as Superintendant's Assistant (uncredited)
MovieRendezvous
1935
as Radio Operator (uncredited)
MovieHere's to Romance
1935
as Violinist
MovieHell in the Heavens
1934
as Lt. Schroeder (as Rudolph Amendt)
MovieThe Fountain
1934
as Geof Van Leyden
MovieStamboul Quest
1934
as Karl (as Rudolph Amendt)
