| O'Connell Bak, Dennis | Dennis O'Connell Bak (Dennis O'Connell Bak) | Actor | 2006 | 1 | |
| Ongjerth, Richárd | Richárd Ongjerth (Richárd Ongjerth) | Actor | 1960 | 1 | |
| O'Foghludha, Michael | Michael O'Foghludha (Michael O'Foghludha) | Actor | 2001 | 1 | |
| Olesen, Maggie | Maggie Olesen (Maggie Olesen) | Actor | 1971 | 1 | |
| O'Callaghan, Brenainn | Brenainn O'Callaghan (Brenainn O'Callaghan) | Actor | 2000 | 1 | |
| O'Connell, Carol | Carol O'Connell (Carol O'Connell) | Actor | 1963 | 1 | |
| Opffer, Yvonne | Yvonne Opffer (Yvonne Opffer) | Actor | 1987 | 1 | |
| Oze, Toshiko | Toshiko Oze (Toshiko Oze) | Actor | 1968 | 1 | |
| Orzechowska, Jolanta | Jolanta Orzechowska (Jolanta Orzechowska) | Actor | 1983 | 1 | |
| Osterwianka, Elżbieta | Elżbieta Osterwianka (Elżbieta Osterwianka) | Actor | 1973 | 1 | |
| Oenicke, Christa | Christa Oenicke (Christa Oenicke) | Actor | 1958 | 1 | |
| Okada, Inosuke | Inosuke Okada (Inosuke Okada) | Lighting Designer | 1934 | 1 | |
| Ogawa, Noboru | Noboru Ogawa (Noboru Ogawa) | Lighting Designer | 1946 | 1 | |
| Oscar, - | - Oscar (- Oscar) | Choreographer | 2006 | 1 | |
| O'Donnell, Beatrice | Beatrice O'Donnell (Beatrice O'Donnell) | Actor | 1981 | 1 | |
| Orlova, Lubov | Lubov Orlova (Lubov Orlova) | Actor | 1959 | 1 | |
| Olenin, B. | B. Olenin (B. Olenin) | Actor | 1959 | 1 | |
| O'Brien, Jaye | Jaye O'Brien (Jaye O'Brien) | Actor | 1957 | 1 | |
| Otupacca, Alessandro | Alessandro Otupacca (Alessandro Otupacca) | Actor | 2011 | 1 | |
| Orlandini, Claudio | Claudio Orlandini (Claudio Orlandini) | Director | 2011 | 1 | |
| Osbourne, Lynne | Lynne Osbourne (Lynne Osbourne) | Actor | 2000 | 1 | |
| Otto | Otto - (Otto -) | Composer | 2002 | 1 | |
| Orneallas, David | David Orneallas (David Orneallas) | Actor | 2011 | 1 | |
| Odilon, Helene | Helene Odilon (Helene Odilon) | Actor | 1894 | 1 | |
| Oliver, Michael | Michael Oliver (Michael Oliver) | Actor | 2011 | 1 | 1 |
| Odendahl-James, Jules | Jules Odendahl-James (Jules Odendahl-James) | Dramaturg | 2011 | 1 | |
| Owen, Sally | Sally Owen (Sally Owen) | Choreographer | 2010 | 1 | |
| Ottesen, Roald | Roald Ottesen (Roald Ottesen) | Lighting Designer | 1972 | 1 | |
| Ofori-Attah, Rhoda | Rhoda Ofori-Attah (Rhoda Ofori-Attah) | Actor | 2011 | 1 | |
| O'Grady, Frank | Frank O'Grady (Frank O'Grady) | Actor | 1932 | 1 | |
| Oliveira, Joice | Joice Oliveira (Joice Oliveira) | Actor | 1945 | 1 | |
| O'Grady, Chris | Chris O'Grady (Chris O'Grady) | Actor | 2011 | 1 | |
| O'Grady, Sorcha | Sorcha O'Grady (Sorcha O'Grady) | Actor | 2011 | 1 | |
| O'Gara, Patrick | Patrick O'Gara (Patrick O'Gara) | Actor | 1973 | 1 | |
| O'Leary, Bridget Kathleen | Bridget Kathleen O'Leary (Bridget Kathleen O'Leary) | Director | 2011 | 1 | |
| Osa, Life Bernhoft | Life Bernhoft Osa (Life Bernhoft Osa) | Actor | 2010 | 1 | |
| Oddsson, Júlíus | Júlíus Oddsson (Júlíus Oddsson) | Actor | 1944 | 1 | |
| Olsen, Ole Andreas | Ole Andreas Olsen (Ole Andreas Olsen) | Actor | 1859 | 1 | |
| Otto-Martineck, Rosa | Rosa Otto-Martineck (Rosa Otto-Martineck) | Actor | 1876 | 1 | |
| Olsen, - | - Olsen (- Olsen) | Actor | 1883 | 1 | |
| Ottomeyer, Hans Leonard | Hans Leonard Ottomeyer (Hans Leonard Ottomeyer) | Actor | 1878 | 1 | |
| Oppmar, Mr. | Mr. Oppmar (Mr. Oppmar) | Actor | 1879 | 1 | |
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