Credits

• 1966 · Robert und Elisabeth as
• 1963 · Der Arzt am Scheideweg as Sir Colenso Ridgeon
• 1962 · Laura as Waldo Lydecker
• 1960 · Venus im Licht as Herzog von Altair
• 1958 · I Accuse! as Maj. Esterhazy
• 1957 · Saint Joan as Cauchon - Bishop of Beauvais
• 1955 · Lola Montès as Ludwig I. von Bayern
• 1955 · Oh... Rosalinda!! as Dr. Falke
• 1954 · On Trial as Grégoire Waremme
• 1952 · Le Plaisir as Narrator, German version
• 1951 · Vienna Waltzes as Johann Strauss (Vater)
• 1951 · Deutscher Filmpreis as Self
• 1950 · König für eine Nacht as Graf von Lerchenbach
• 1950 · La Ronde as Raconteur - le meneur de jeu
• 1949 · The Queen of Spades as Capt. Herman Suvorin
• 1948 · The Red Shoes as Boris Lermontov
• 1945 · The Man from Morocco as Karel Langer
• 1944 · Information Please as German Major
• 1943 · The Life and Death of Colonel Blimp as Theo Kretschmar-Schuldorff
• 1941 · 49th Parallel as Peter
• 1941 · Dangerous Moonlight as Stefan 'Steve' Radetzky
• 1940 · Gaslight as Paul Mallen (as Anton Wahlbrook)
• 1938 · Sixty Glorious Years as Prince Albert
• 1937 · The Rat as Jean Boucheron, the 'Rat'
• 1937 · Victoria the Great as Prince Albert
• 1937 · The Soldier and the Lady as Michel Strogoff
• 1936 · Port-Arthur as Boris Ranewsky
• 1936 · Port Arthur as Boris Ranewsky
• 1936 · Allotria as Philip
• 1936 · The Czar's Courier as Michael Strogoff
• 1936 · Michel Strogoff as Michel Strogoff
• 1935 · The Student of Prague as Balduin, der Student
• 1935 · I Was Jack Mortimer as Ferdinand 'Fred' Sponer
• 1935 · Gypsy Baron as Sandor
• 1935 · The Gypsy Baron as Sandor Barinkay
• 1935 · Regine as Frank Reynold
• 1934 · Die englische Heirat as Warwick Brent
• 1934 · Masquerade in Vienna as Der Zeichner Heideneck
• 1934 · Eine Frau die weiß, was sie will as Axel Basse
• 1934 · Die vertauschte Braut as Charles
• 1934 · Georges et Georgette as Robert
• 1933 · Victor and Victoria as Robert
• 1933 · Don't Be Afraid of Love as Helmut Höfert
• 1933 · Waltz War as Johann Strauß
• 1932 · Baby as Lord Cecil
• 1932 · Right to Happiness as Kapellmeister
• 1932 · The Five Accursed Gentlemen as Petersen
• 1932 · Three from the stamp office as Max Binder, Arbeitsloser
• 1932 · The Pride of Company Three as Prinz Willibald
• 1931 · Trapeze as Robby
• 1925 · The Secret of Castle Elmshoh as Ihr Sohn Axel
• 1925 · Das Geheimnis von Schloß Elmshöh as
• 1923 · Wüstenrausch as Lord Burton
• 1923 · Martin Luther as
• 1915 · Marionetten as Zirkusdirektor