1952
as Dr. Siedler
1924
1935
1951
as Edwin von Weylersheim
1949
as Adrian van der Steer
1948
as Ferry van der Heuvels
1953
as Tourist (uncredited)
1996
as Himself
1940
as Enrico Villanova, Tenor
1985
as Self
1955
as Paul Cox
1971
as Steven Gilford
as Pedro Domingo
1937
as Curt van Doeren
1982
as Al Lewis
1943
as Gast
as Tenor Peter Hansen
1968
as Dr. Hans Thomas
1984
as Marschall Keith
1974
as Dr. Hansen
