- Play By:
- Robert Kemp
- Unknown:
- Cyrus Brooks
- Story By:
- Erich Kastner
- Duced By:
- Gordon Gildard
- Unknown:
- Herr Tobler
- Unknown:
- Frau Hagedorn
- Herr Tobler, an eccentric millionaire:
- James McKechnie
- Fraulein Hildegarde, his daughter:
- Jean Eynstone
- Frau Kunkel, their housekeeper:
- Maud Risdon
- Johann Kesselhuth, their butler:
- J. G. Caw
- Isolde their tablemaid:
- Jennie G. Fraser
- . Fritz Hagedorn, an unemployed Doctor of Philosophy:
- Charles Hawtrey
- Frau Hagedorn, his mother:
- Nan Vallance
- Herr Bold, manager of the Grand Hotel, Bruckbeuren:
- E. J. P. MacE
- Polter, head porter at the hotel:
- Halbert Tatlock
- Frau Casparius, a blonde from Bremen:
- Pearl Colquhoun
- Frau von Malebré, a brunette from Vienna:
- Nan Scott
- Baron Keller, her escort:
- Weston Fields
