KNOWN FOR

One Step Beyond
1960
77 Sunset Strip
1960
Alfred Hitchcock Presents
1956
The Rebel
1960
Adventures of Superman
1954
Garrison's Gorillas
1968
Dangerous Assignment
1952
The Great Dictator
1940
The Walter Winchell File
1957
Saints and Sinners
1963
A Star Is Born
1954
To Be or Not to Be
1942

FILMOGRAPHY

All
Movies
TV
Acting
74
1968
Garrison's Gorillas
1966
Spy Smasher Returns
as Col. Von Kahr
1963
The Prize
as Mr. Rolfe Bergh - Chaperon
1963
Decision at Midnight
as Uncle
1963
Saints and Sinners
as Otto Masuis
1962
The Pigeon That Took Rome
as Col. Wilhelm Krafft
1961
On the Double
as Oberkommandant
1960
77 Sunset Strip
1960
One Step Beyond
as Josef
1960
The Rebel
as Frank Gottwald
1960
One Step Beyond
as Dr. Heinrick Swansen
1959
A Private's Affair
as Dr. Leyden
1958
She Demons
as Col. Karl Osler
1958
Frankenstein 1970
as Wilhelm Gottfried
1957
The Walter Winchell File
1956
Alfred Hitchcock Presents
as Cafe Host
1954
Magnificent Obsession
as Dr. Albert Fuss
1954
King Richard and the Crusaders
as Austrian Knight (uncredited)
1954
A Star Is Born
as Mr. Ettinger (uncredited)
1954
Jungle Gents
as Dr. Goebbel
1954
The Snow Creature
as Dr. Louis DuPont
1954
Silver Needle in the Sky
as Dr. Loran
1954
Adventures of Superman
1953
South Sea Woman
as Capt. van Dorck
1953
Captain Scarface
as Dr. Yeager
1953
Phantom from Space
as Dr. Wyatt
1952
Dangerous Assignment
1952
Adventures of Superman
as Dr. Rudolf Albrecht
1951
Target Unknown
as Doctor (uncredited)
1950
Kill or Be Killed
as Gregory Marek
1949
Act of Violence
as German (voice) (uncredited)
1946
Under Nevada Skies
as Alberti
1946
Dangerous Millions
as Rudolph Busch
1945
Counter-Attack
as Stillman
1945
Escape in the Desert
as Hoffman
1943
Watch on the Rhine
as Oberdorff
1942
To Be or Not to Be
as Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited)
1942
Sherlock Holmes and the Secret Weapon
as Braun (uncredited)
1942
The Phantom Plainsmen
as Colonel Eric Hartwig (as Robert O. Davis)
1942
Spy Smasher
as Col. Von Kohr
1942
The Secret Code
as Rudi Thysson
1942
The Pied Piper
as Lieutenant
1942
Nazi Agent
as Cab Driver (uncredited)
1942
Junior Army
as Horner - Nazi Saboteur (as Robert O. Davis)
1942
Riders of the Northland
as Agent (as Robert O. Davis)
1942
Eagle Squadron
as German Squad Leader
1942
The Great Impersonation
as Karl Hofmann
1942
The Devil with Hitler
as Nazi Officer at Hitler's filmed Speech (uncredited)
1942
Desperate Journey
as Kruse
1941
Mr. Dynamite
as Frederick the Butler
1941
King of the Texas Rangers
as His Excellency
1941
Down in San Diego
as Henry Schrode
1941
Underground
as Official
1941
A Dangerous Game
as Dr. Fleming
1940
The Great Dictator
as Tomanian Commandant at Osterlich / Robert O. Davis
1940
The Mortal Storm
as Gestapo Official Hartman
1940
Arise, My Love
as Prussian Officer (uncredited)
1940
Knute Rockne All American
as Elder in Norway (uncredited)
1940
The Man I Married
as Storm Trooper
1940
Meet the Wildcat
as Feral--Henchman
1939
Espionage Agent
as Paul Strawn (as Robert O. Davis)
1939
Confessions of a Nazi Spy
as Captain Straubel
1939
Escape to Paradise
as Alexander Komac
1939
Pack Up Your Troubles
as Von Richtman
1939
The Mad Empress
as Herzfeld
1938
That Mothers Might Live
as Doctor (uncredited)
1937
Champagne Waltz
as Emperor Franz Joseph
1936
We're in the Legion Now
as Sgt. Groeber
1935
Rendezvous
as Radio Operator (uncredited)
1935
Last of the Pagans
as Superintendant's Assistant (uncredited)
1935
Here's to Romance
as Violinist
1934
Stamboul Quest
as Karl (as Rudolph Amendt)
1934
The Fountain
as Geof Van Leyden
1934
Hell in the Heavens
as Lt. Schroeder (as Rudolph Amendt)