| Odendahl-James, Jules | Jules Odendahl-James | Dramaturg | 2011 | 1 | |
| Owen, Sally | Sally Owen | Choreographer | 2010 | 1 | |
| Ottesen, Roald | Roald Ottesen | Lighting Designer | 1972 | 1 | |
| Ofori-Attah, Rhoda | Rhoda Ofori-Attah | Actor | 2011 | 1 | |
| O'Grady, Frank | Frank O'Grady | Actor | 1932 | 1 | |
| Oliveira, Joice | Joice Oliveira | Actor | 1945 | 1 | |
| O'Grady, Chris | Chris O'Grady | Actor | 2011 | 1 | |
| O'Grady, Sorcha | Sorcha O'Grady | Actor | 2011 | 1 | |
| O'Gara, Patrick | Patrick O'Gara | Actor | 1973 | 1 | |
| O'Leary, Bridget Kathleen | Bridget Kathleen O'Leary | Director | 2011 | 1 | |
| Oddsson, Júlíus | Júlíus Oddsson | Actor | 1944 | 1 | |
| Olsen, Ole Andreas | Ole Andreas Olsen | Actor | 1859 | 1 | |
| Otto-Martineck, Rosa | Rosa Otto-Martineck | Actor | 1876 | 1 | |
| Olsen, - | - Olsen | Actor | 1883 | 1 | |
| Ottomeyer, Hans Leonard | Hans Leonard Ottomeyer | Actor | 1878 | 1 | |
| Oppmar, Mr. | Mr. Oppmar | Actor | 1879 | 1 | |
| Offel-Kley, Van | Van Offel-Kley | Actor | 1880 | 1 | |
| Offenbach, Jacques | Jacques Offenbach | Composer | 1880 | 1 | |
| Oberthür, Charles | Charles Oberthür | Composer | 1880 | 1 | |
| Ohlson, - | - Ohlson | Actor | 1882 | 1 | |
| Olsson, Mr. | Mr. Olsson | Actor | 1886 | 1 | |
| Olander, - | - Olander | Actor | 1887 | 1 | |
| Oeser, Anna | Anna Oeser | Actor | 1888 | 1 | |
| Ottomeyer, J. L. | J. L. Ottomeyer | Actor | 1891 | 1 | |
| Olchowny, Teodor | Teodor Olchowny | Actor | 1891 | 1 | |
| Olszewski, Stanisław | Stanisław Olszewski | Actor | 1892 | 1 | |
| Orlop, Hermann | Hermann Orlop | Actor | 1893 | 1 | |
| Oßmann, Otto | Otto Oßmann | Actor | 1894 | 1 | |
| Olden, Hans | Hans Olden | Actor | 1895 | 1 | 1 |
| Oberndorfer, Siegfrid | Siegfrid Oberndorfer | Actor | 1896 | 1 | |
| Ouvrier, M. | M. Ouvrier | Actor | 1896 | 1 | |
| Otto, Heinrich | Heinrich Otto | Actor | 1896 | 1 | |
| Osten, Susanne | Susanne Osten | Actor | 1919 | 1 | |
| og Bauer, Breitner | Breitner og Bauer | Designer | 1897 | 1 | |
| Opel, Mr. | Mr. Opel | Actor | 1898 | 1 | |
| Olsen, Bengt | Bengt Olsen | Actor | 1898 | 1 | |
| Ohde, Mr. | Mr. Ohde | Actor | 1898 | 1 | |
| Ockert, Otto | Otto Ockert | Actor | 1899 | 1 | |
| Oscar, Harry | Harry Oscar | Director | 1900 | 1 | |
| Olsen, Ottilie | Ottilie Olsen | Actor | 1906 | 1 | |
| Oehlmann, Hans | Hans Oehlmann | Actor | 1909 | 1 | |
| Olden, Arno W. | Arno W. Olden | Actor | 1910 | 1 | |
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