| Ohinmaa, Hertta-Maija | Hertta-Maija Ohinmaa | Actor | 2009 | 2 | |
| Overå, Astrid | Astrid Overå | Actor | 2009 | 1 | |
| Ono Seo, Rie | Rie Ono Seo | Lighting Designer | 2009 - 2010 | 2 | |
| 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 | |
| Olariu, Dana | Dana Olariu | Actor | 2009 - 2015 | 3 | |
| Ouellette, Jean-Sébastien | Jean-Sébastien Ouellette | Actor | 2009 - 2022 | 3 | 1 |
| Owen, Sally | Sally Owen | Choreographer | 2010 | 1 | |
| Orak, Aydin | Aydin Orak | Actor, Translator | 2010 | 16 | 2 |
| Olafsen, Carl Fredrik | Carl Fredrik Olafsen | Director | 2010 | 1 | |
| Ofsdal, Sofie | Sofie Ofsdal | Actor | 2010 | 1 | |
| Olsen, Mathilde Arschim | Mathilde Arschim Olsen | Actor | 2010 | 1 | |
| Olsen, Thea Arschim | Thea Arschim Olsen | Actor | 2010 | 1 | |
| Opedal, Herman Ljung | Herman Ljung Opedal | Actor | 2010 | 3 | |
| 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 | |
| Ochandiano, Amelia | Amelia Ochandiano | Director | 2010 - 2011 | 40 | |
| Ost, Kathrin | Kathrin Ost | Actor | 2010 - 2011 | 12 | 2 |
| Ollinger, Eduard | Eduard Ollinger | Lighting Designer | 2010 - 2012 | 5 | |
| Oblokar, Samo | Samo Oblokar | Lighting Designer | 2010 - 2012 | 3 | |
| Oppenheim, Yoni | Yoni Oppenheim | Director, Producer | 2011 | 2 | 1 |
| Otupacca, Alessandro | Alessandro Otupacca | Actor | 2011 | 1 | |
| Orlandini, Claudio | Claudio Orlandini | Director | 2011 | 1 | |
| Orneallas, David | David Orneallas | Actor | 2011 | 1 | |
| Oliver, Michael | Michael Oliver | Actor | 2011 | 1 | 1 |
| Odendahl-James, Jules | Jules Odendahl-James | Dramaturg | 2011 | 1 | |
| Ofori-Attah, Rhoda | Rhoda Ofori-Attah | Actor | 2011 | 1 | |
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