The Blue Danube (1928) Online
| Credited cast: | |||
 | Leatrice Joy | - | Marguerite |
 | Joseph Schildkraut | - | Lugwig |
 | Nils Asther | - | Erich von Statzen |
 | Seena Owen | - | Helena Boursch |
 | Albert Gran | - | Herr Boursch |
 | Frank Reicher | - | Baron von Statzen |
 | May Robson | ||
| Rest of cast listed alphabetically: | |||
 | Edna Mae Cooper | ||
 | Oliver Eckhardt | - | Fritz |
A print of this film survives in the Library of Congress under the title; "Honor above All".