| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Georg Oppel | Actor | 1893 - 1926 | 9 | |||
| Irmgard Olbrich | Actor | 1893 - 1901 | 2 | |||
| Mr. Onorato | Actor | 1893 | 2 | |||
| Albert Olander | Actor | 1893 | 2 | |||
| Hermann Orlop | Actor | 1893 | 1 | |||
| Mr. Oliva | Actor | 1893 | 1 | |||
| Leo Orlandini | Actor | 1892 - 1924 | 12 | |||
| Stanisław Olszewski | Actor | 1892 | 1 | |||
| Thomas Oberle | Actor | 1891 - 1904 | 2 | |||
| Leonard Outram | Actor, Director | 1891 - 1897 | 7 | 1 | ||
| C. Orlandini | Actor | 1891 - 1892 | 3 | |||
| J. L. Ottomeyer | Actor | 1891 | 1 | |||
| Teodor Olchowny | Actor | 1891 | 1 | |||
| Heinrich Oberländer | Actor | 1891 | 1 | |||
| Alexander Ottepp | Actor | 1891 | 1 | |||
| Emil von Osten | Actor | 1890 | 1 | |||
| Otto Osmarr | Actor, Director | 1889 - 1919 | 23 | |||
| Pēteris Ozoliņš | Actor, Director | 1889 - 1912 | 5 | |||
| Wilhelm Otto | Actor | 1889 - 1898 | 5 | |||
| Mr. Ott | Actor | 1889 | 2 | |||
| Gisela Ott | Actor | 1889 | 1 | |||
| Heinrich Oppel | Actor | 1889 | 2 | |||
| Anna Oeser | Actor | 1888 | 1 | |||
| - Olander | Actor | 1887 | 1 | |||
| Vilhelm Olin | Actor, Director | 1886 - 1919 | 4 | 1 | ||
| Mr. Olsson | Actor | 1886 | 1 | |||
| Olaus Olsen | Actor | 1884 - 1904 | 45 | 2 | ||
| Julia Otrembowa | Actor, Translator | 1883 - 1899 | 4 | |||
| Ludvig Otterström | Actor | 1883 - 1885 | 10 | |||
| - Olsen | Actor | 1883 | 1 | |||
| Adolf Otremba | Translator | 1882 - 1883 | 3 | |||
| - Ohlson | Actor | 1882 | 1 | |||
| Julius Otto | Actor | 1880 - 1898 | 6 | |||
| Karl Ott | Actor | 1880 - 1893 | 3 | |||
| Van Offel-Kley | Actor | 1880 | 1 | |||
| Jacques Offenbach | Composer | 1880 | 1 | |||
| Charles Oberthür | Composer | 1880 | 1 | |||
| Frk. Olbers | Actor | 1880 | 1 | |||
| Mr. Oppmar | Actor | 1879 | 1 | |||
| Erik Ohlsson | Actor | 1878 - 1883 | 8 | |||
| Hans Leonard Ottomeyer | Actor | 1878 | 1 | |||
| Herr Otto | Actor, Director | 1878 | 2 | |||