| 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 | |
| Ohl, Malte | Malte Ohl | Actor | 1999 | 1 | |
| Olcay, Emin | Emin Olcay | Actor | 1987 | 1 | |
| Olbers, Frk. | Frk. Olbers | Actor | 1880 | 1 | |
| O'Connor, Zach | Zach O'Connor | Actor | 2018 | 1 | |
| O'Berski, Jaybird | Jaybird O'Berski | Actor | 2018 | 1 | |
| Opzoomer, India | India Opzoomer | Actor | 2018 | 1 | |
| Orwell, Harry | Harry Orwell | Actor | 2018 | 1 | |
| Ottepp, Alexander | Alexander Ottepp | Actor | 1891 | 1 | |
| O'Connor, Herbert | Herbert O'Connor | Actor | 1906 | 1 | |
| O'Shea, James | James O'Shea | Actor | 1905 | 1 | |
| Ortega, Jessie, Montoya | Jessie Montoya Ortega | Actor | 2018 | 1 | |
| Oakleaf, Donovan | Donovan Oakleaf | Actor | 2018 | 1 | |
| Ohmen, Kristina | Kristina Ohmen | Dramaturg | 2018 | 1 | 1 |
| O'Hearn, Susan, P. | Susan P. O'Hearn | Director | 2018 | 1 | |
| O'Donnell, Mary Katherine | Mary Katherine O'Donnell | Actor | 2018 | 1 | |
| Olson, Emerson | Emerson Olson | Musician | 2018 | 1 | |
| Osgood, Dylan | Dylan Osgood | Musician | 2018 | 1 | |
| Oates, Charlie | Charlie Oates | Director | 2018 | 1 | |
| Ono, Toshiaki | Toshiaki Ono | Actor | 2018 | 1 | |
| O'Connor, Paul | Paul O'Connor | Actor | 1969 | 1 | |
| Orlowicz, Tadeusz | Tadeusz Orlowicz | Designer | 1964 | 1 | |
| Oxley, Matt | Matt Oxley | Actor | 2018 | 1 | |
| Oikonomaki, Grigoria | Grigoria Oikonomaki | Actor | 2018 | 1 | |
| O'Brady, Mary | Mary O'Brady | Director | 2018 | 1 | |
| Orchard, Mandy | Mandy Orchard | Actor | 2018 | 1 | |
| Oie, Austin | Austin Oie | Actor | 2016 | 1 | |
| Orr, Grace | Grace Orr | Actor | 2018 | 1 | |
| Ongyerth, Gust | Gust Ongyerth | Director | 1940 | 1 | |
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