| Ohrnberger, Jörg | Jörg Ohrnberger | Actor | 2010 | 6 | |
| Oe, Yoshihiko | Yoshihiko Oe | Dramaturg | 2010 | 16 | |
| Ozora, Mayumi | Mayumi Ozora | Actor | 2010 | 16 | |
| 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 | |
| Ozkaya, Zeynep | Zeynep Ozkaya | Actor | 2010 | 1 | |
| Ouchi, Satomi | Satomi Ouchi | Actor | 2010 | 1 | |
| Odekirk, Alexandria | Alexandria Odekirk | Actor | 2010 | 1 | |
| Ott, Katja | Katja Ott | Director | 2010 | 1 | |
| O'Connell, Steve | Steve O'Connell | Actor | 2010 | 1 | |
| Omori, Naomi | Naomi Omori | Actor | 2010 | 1 | |
| O’Neill, Michael | Michael O’Neill | Director | 2010 | 1 | |
| Orillac, Sebastian | Sebastian Orillac | Actor | 2010 | 1 | |
| O’Brien, Brad | Brad O’Brien | Actor | 2010 | 1 | |
| Ouellette, Jean-Sébastien | Jean-Sébastien Ouellette | Actor | 2009 - 2022 | 3 | 1 |
| Olariu, Dana | Dana Olariu | Actor | 2009 - 2015 | 3 | |
| Opheim, Lea Basch | Lea Basch Opheim | Actor | 2009 - 2011 | 3 | |
| Onetto, Elvira | Elvira Onetto | Actor | 2009 - 2011 | 13 | 1 |
| Odvárková, Lenka | Lenka Odvárková | Designer | 2009 - 2011 | 3 | |
| Ono Seo, Rie | Rie Ono Seo | Lighting Designer | 2009 - 2010 | 2 | |
| Oliversen, Stine | Stine Oliversen | Actor | 2009 | 1 | 1 |
| Osen, Leif | Leif Osen | Musician | 2009 | 1 | |
| Oikonomidis, Dimitris | Dimitris Oikonomidis | Actor | 2009 | 2 | |
| Osterberg, Craig | Craig Osterberg | Actor, Designer, Lighting Designer | 2009 | 3 | |
| O'Neil, Ted | Ted O'Neil | Actor | 2009 | 1 | |
| Orihuela, Belén | Belén Orihuela | Actor | 2009 | 1 | |
| O’Keefe, Brian | Brian O’Keefe | Costume Designer | 2009 | 1 | |
| Oltean, Silviu | Silviu Oltean | Actor | 2009 | 3 | |
| Olaru, Orodel | Orodel Olaru | Actor | 2009 | 4 | |
| Orheian, Vasile Ioan | Vasile Ioan Orheian | Actor | 2009 | 1 | |
| O'Rourke, Kristen | Kristen O'Rourke | Actor | 2009 | 1 | |
| Odum, Henry | Henry Odum | Actor | 2009 | 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 | 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 | |
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