| Okafor, Kosy | Kosy Okafor | Actor | 2002 | 1 | |
| Okafor, Barnabas | Barnabas Okafor | Actor | 2002 | 1 | |
| Ogazi, Solomon | Solomon Ogazi | Designer | 2002 | 1 | |
| O'Rorke, Elle | Elle O'Rorke | Actor | 2006 | 1 | |
| Ouellette, Jean-Sébastien | Jean-Sébastien Ouellette | Actor | 2009 | 1 | |
| O'Rourke, Kristen | Kristen O'Rourke | Actor | 2009 | 1 | |
| O'Connor, Isabell, Monk | Isabell Monk O'Connor | Actor | 2008 | 1 | |
| Odum, Henry | Henry Odum | Actor | 2009 | 1 | |
| Ozoliņš, Aigars | Aigars Ozoliņš | Designer | 2008 - 2009 | 1 | |
| O'Brien, Barret | Barret O'Brien | Actor | 2008 | 1 | |
| Oja, Totti | Totti Oja | Actor | 2008 | 1 | |
| Ortolani, Philip | Philip Ortolani | Actor | 2008 | 1 | |
| Olesen, Ninna | Ninna Olesen | Costume Designer | 2008 | 1 | |
| Oberheide, Alex | Alex Oberheide | Actor | 2008 | 1 | |
| O'Shea, Ryan | Ryan O'Shea | Actor | 2008 | 1 | |
| O´Valle, Violet | Violet O´Valle | Director | 2008 | 1 | |
| Otte, Charles | Charles Otte | Director | 2008 | 1 | |
| Ohloff, Hans | Hans Ohloff | Actor | 1939 | 1 | |
| Orr, Connie | Connie Orr | Actor | 1965 | 1 | |
| Okubo, Ryoichi | Ryoichi Okubo | Actor | 2008 | 1 | |
| Otenbacher, Margot | Margot Otenbacher | Actor | 1959 | 1 | |
| Olsen, Tim | Tim Olsen | Actor | 2009 | 1 | |
| Ohkuwa, Akane | Akane Ohkuwa | Actor | 2009 | 1 | |
| O'Neill, Vincent | Vincent O'Neill | Actor | 2009 | 1 | |
| Otterson, William | William Otterson | Actor | 2009 | 1 | |
| O'Reilly, Ciarán | Ciarán O'Reilly | Director | 2008 | 1 | |
| Onegin, Andrei | Andrei Onegin | Designer | 2009 | 1 | |
| Olsen, Leif | Leif Olsen | Composer | 2009 | 1 | |
| Ogden, James | James Ogden | Designer | 2009 | 1 | |
| Oakes, Robert | Robert Oakes | Adaptation | 2009 | 1 | |
| Ortiz, Joanna | Joanna Ortiz | Actor | 2008 | 1 | |
| Ott, Gisela | Gisela Ott | Actor | 1889 | 1 | |
| O'Connor, Myles | Myles O'Connor | Actor | 2010 | 1 | |
| Olson, Karin | Karin Olson | Lighting Designer | 2010 | 1 | |
| Olpin, Jay | Jay Olpin | Actor | 2010 | 1 | |
| Onishi, Akane | Akane Onishi | Actor | 2010 | 1 | |
| Osten, Emil von | Emil von Osten | Actor | 1890 | 1 | |
| Okafor, Stella | Stella Okafor | Lighting Designer | 2009 | 1 | |
| Ozkaya, Zeynep | Zeynep Ozkaya | Actor | 2010 | 1 | |
| Ouchi, Satomi | Satomi Ouchi | Actor | 2010 | 1 | |
| Odekirk, Alexandria | Alexandria Odekirk | Actor | 2010 | 1 | |
| Ozawa, Maju | Maju Ozawa | Actor | 2009 | 1 | |
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Contributors
