| O'Connell, Moya | Moya O'Connell | Actor | 2012 | 1 | |
| O'Sullivan, Anne | Anne O'Sullivan | Actor | 2012 | 1 | |
| O'Keefe, Tim | Tim O'Keefe | Actor | 2012 | 2 | |
| Olschak, Jayne | Jayne Olschak | Actor | 2012 | 1 | |
| Odintsova, Polina | Polina Odintsova | Actor | 2012 | 1 | 1 |
| Oosterveen, Mark | Mark Oosterveen | Actor | 2012 | 1 | |
| Olympiou, Adia | Adia Olympiou | Actor | 2012 | 1 | |
| Oraloğlu, Alev | Alev Oraloğlu | Actor | 2012 | 1 | |
| Oroșanu, Cristian | Cristian Oroșanu | Conductor | 2012 | 1 | |
| Olsen, Kim | Kim Olsen | Actor | 2011 - 2019 | 2 | |
| O’Hearn, Nigel | Nigel O’Hearn | Adaptation | 2011 - 2016 | 4 | |
| Oppenheim, Yoni | Yoni Oppenheim | Director, Producer | 2011 | 2 | |
| 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 | |
| O'Grady, Chris | Chris O'Grady | Actor | 2011 | 1 | |
| O'Grady, Sorcha | Sorcha O'Grady | Actor | 2011 | 1 | |
| O'Neill, Chris | Chris O'Neill | Designer, Lighting Designer | 2011 | 2 | |
| O'Leary, Bridget Kathleen | Bridget Kathleen O'Leary | Director | 2011 | 1 | |
| Orban, Peter | Peter Orban | Lighting Designer | 2011 | 8 | |
| Olstad, Jon Ole | Jon Ole Olstad | Dancer | 2011 | 1 | |
| Obolensky, Chloé | Chloé Obolensky | Designer | 2011 | 1 | |
| Ondrášek, Peter | Peter Ondrášek | Actor | 2011 | 1 | |
| Olroth-Hackenbroch, Gisela | Gisela Olroth-Hackenbroch | Designer, Director | 2011 | 2 | |
| Ojrzyńska, Marta | Marta Ojrzyńska | Actor | 2011 | 1 | |
| Ogrodnik, Dawid | Dawid Ogrodnik | Actor | 2011 | 1 | |
| O'Neill, Noreen | Noreen O'Neill | Actor | 2011 | 1 | |
| O'Keefe, Nina | Nina O'Keefe | Actor | 2011 | 1 | |
| Osburn, Nathan | Nathan Osburn | Actor | 2011 | 2 | |
| Odanović, Olga | Olga Odanović | Actor | 2011 | 1 | |
| Omundi, Geoffrey | Geoffrey Omundi | Actor | 2011 | 1 | |
| Ongota, Beverley | Beverley Ongota | Actor | 2011 | 1 | |
| Opilik, Klaus | Klaus Opilik | Director | 2011 | 1 | |
| O'Reilly, Genevieve | Genevieve O'Reilly | Actor | 2011 | 1 | 1 |
| Owen, Robin | Robin Owen | Actor | 2011 | 1 | |
| Oduwole, Frances | Frances Oduwole | Actor | 2011 | 12 | |
| Oduwole, Andrew | Andrew Oduwole | Actor | 2011 | 12 | |
| Oduwole, Ayo | Ayo Oduwole | Actor | 2011 | 12 | |
| Orwig, Katie | Katie Orwig | Designer | 2011 | 1 | |
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