| O'Hara, Lesley | Lesley O'Hara | Actor | 1972 | 1 | |
| Oroșanu, Cristian | Cristian Oroșanu | Conductor | 2012 | 1 | |
| Olariu, Stelian | Stelian Olariu | Conductor | 2007 | 1 | |
| Ortmann, Wilfried | Wilfried Ortmann | Actor | 1973 | 1 | 1 |
| Olson, Marlo | Marlo Olson | Actor | 2017 | 1 | |
| Otto, Matt | Matt Otto | Sound Designer | 2017 | 1 | |
| Oatley, Carl | Carl Oatley | Actor | 1975 | 1 | |
| Oktav, Burcu | Burcu Oktav | Actor | 2017 | 1 | |
| Owens, Andrew | Andrew Owens | Actor | 2017 | 1 | |
| Ona, Bjørn | Bjørn Ona | Actor | 1985 | 1 | |
| O'Brien, Terence | Terence O'Brien | Actor | 1917 | 1 | |
| Olsen, Eyvind | Eyvind Olsen | Musician | 1976 | 1 | |
| Ohtsuka, Michiko | Michiko Ohtsuka | Actor | 1978 | 1 | |
| Obino, Kinji | Kinji Obino | Actor | 1978 | 1 | |
| Obino, Tetsushi | Tetsushi Obino | Actor | 1978 | 1 | |
| Ohtori, Yachiyo | Yachiyo Ohtori | Actor | 1978 | 1 | |
| Oostveen, Anne | Anne Oostveen | Actor | 1978 | 1 | |
| Ostrovski, Grischa | Grischa Ostrovski | Director | 1980 | 1 | |
| Ortíz, Nancy | Nancy Ortíz | Actor | 1980 | 1 | |
| Ortíz, Norma-Norma | Norma-Norma Ortíz | Actor | 1980 | 1 | |
| Osske, Tamara | Tamara Osske | Actor | 1980 | 1 | |
| Oditz, Carol | Carol Oditz | Costume Designer | 1981 | 1 | |
| O'Mara, Kate | Kate O'Mara | Actor | 1981 | 1 | |
| O´Donnell, Trisha | Trisha O´Donnell | Lighting Designer | 1981 | 1 | |
| Osorio, Silvia | Silvia Osorio | Actor | 1981 | 1 | |
| O'Brien, Peter | Peter O'Brien | Musician | 1982 | 1 | |
| Ohsaka, Hidemi | Hidemi Ohsaka | Actor | 1984 | 1 | |
| Oberländer, Heinrich | Heinrich Oberländer | Actor | 1891 | 1 | |
| Obara, Makoto | Makoto Obara | Sound Designer | 1990 | 1 | |
| Oguri, Yuriko | Yuriko Oguri | Actor | 1990 | 1 | |
| O'Neill, Daniel | Daniel O'Neill | Actor | 2013 | 1 | |
| Ohla, Johannes | Johannes Ohla | Mask Maker | 1992 | 1 | |
| O'Mara, Mollie | Mollie O'Mara | Actor | 1993 | 1 | |
| Orlandersmith, Dael | Dael Orlandersmith | Actor | 1993 | 1 | |
| Otto, Götz | Götz Otto | Actor | 1993 | 1 | |
| O'Horn, Nigel | Nigel O'Horn | Adaptation | 2017 | 1 | |
| Orlia, Axel | Axel Orlia | Mask Maker | 1993 | 1 | |
| Obata, Machiko | Machiko Obata | Musician | 1993 | 1 | |
| Onay, Yılmaz | Yılmaz Onay (Yilmaz Onay) | Translator | 2007 | 1 | 1 |
| Orhun, Emine | Emine Orhun | Actor | 2007 | 1 | |
| Olmar, Gustav | Gustav Olmar | Actor | 1896 | 1 | |
| Oscarson, Stina | Stina Oscarson | Musician | 1997 | 1 | |
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