| O'Donnell, Beatrice | Beatrice O'Donnell | Actor | 1981 | 1 | |
| Orlova, Lubov | Lubov Orlova | Actor | 1959 | 1 | |
| Olenin, B. | B. Olenin | Actor | 1959 | 1 | |
| O'Brien, Jaye | Jaye O'Brien | Actor | 1957 | 1 | |
| Otupacca, Alessandro | Alessandro Otupacca | Actor | 2011 | 1 | |
| Orlandini, Claudio | Claudio Orlandini | Director | 2011 | 1 | |
| Osbourne, Lynne | Lynne Osbourne | Actor | 2000 | 1 | |
| Orneallas, David | David Orneallas | Actor | 2011 | 1 | |
| Odilon, Helene, | Helene Odilon | Actor | 1894 - 1895 | 1 | |
| Oliver, Michael , | Michael Oliver | Actor | 2011 | 1 | 1 |
| 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 | |
| Osa, Life Bernhoft, | Life Bernhoft Osa | Actor | 2010 - 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 (J. L. Ottomeyer) | Actor | 1891 | 1 | |
| Olchowny, Teodor, | Teodor Olchowny | Actor | 1891 - 1892 | 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 | |
| Oberndorfer, Siegfrid, | Siegfrid Oberndorfer | Actor | 1896 | 1 | |
| Ouvrier, M., | M. Ouvrier | Actor | 1896 | 1 | |
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