| O'Dea, Donncha | Donncha O'Dea | Actor | 2013 | 1 | |
| O'Donoghue, James | James O'Donoghue | Actor | 2013 | 1 | |
| Osbourne, Jessica | Jessica Osbourne | Director | 2013 | 1 | |
| Ojeda, Oscar | Oscar Ojeda | Actor | 2013 | 1 | |
| O'Sullivan IV, John | John O'Sullivan IV | Actor | 2013 | 1 | |
| Owen, Tony | Tony Owen | Designer | 2013 | 1 | |
| O'Neill, Daniel | Daniel O'Neill | Actor | 2013 | 1 | |
| Onodera, Shuji | Shuji Onodera | Director | 2013 | 1 | |
| Oščepkov, Artur | Artur Oščepkov | Choreographer | 2013 | 1 | |
| Omidi, Hossein | Hossein Omidi | Actor | 2013 | 1 | |
| Orii, Akitsu | Akitsu Orii | Musician | 2013 | 1 | |
| Odland, Bruce | Bruce Odland | Composer | 2013 | 1 | |
| Ošavkova, Sonja | Sonja Ošavkova (Соња Ошавкова) | Actor | 2013 | 1 | |
| Offerdal, Sindre Strand | Sindre Strand Offerdal | Actor | 2012 - 2015 | 3 | |
| Oechel, Hagen | Hagen Oechel | Actor | 2012 - 2015 | 2 | 2 |
| Obst, Angela | Angela Obst | Dramaturg | 2012 - 2014 | 2 | |
| Oviedo, Alejandra | Alejandra Oviedo | Actor | 2012 - 2013 | 3 | |
| Otten, Marcel | Marcel Otten | Translator | 2012 - 2013 | 29 | |
| Osterop, Marcel | Marcel Osterop | Actor | 2012 - 2013 | 29 | |
| Oborotov, Yuri | Yuri Oborotov | Actor | 2012 | 2 | |
| Ottmar, Aurora Berentsen | Aurora Berentsen Ottmar | Actor | 2012 | 1 | |
| Olstad, Andrea | Andrea Olstad | Actor | 2012 | 2 | |
| Osvik, Erik Baltzek | Erik Baltzek Osvik | Actor | 2012 | 1 | |
| Oftedal, Stian | Stian Oftedal | Actor | 2012 | 2 | |
| Olafson, Anne | Anne Olafson | Actor | 2012 | 1 | |
| O'Neill, Aron, Arnarson | Aron Arnarson O'Neill | Actor | 2012 | 1 | |
| Oberhauser, Kendra | Kendra Oberhauser | Actor | 2012 | 1 | |
| Oshry, Joseph, P. | Joseph P. Oshry | Lighting Designer | 2012 | 1 | |
| Olson, Todd | Todd Olson | Sound Designer | 2012 | 1 | |
| O'Brien, Daniel | Daniel O'Brien | Actor | 2012 | 1 | 1 |
| Osmond, David | David Osmond | Actor | 2012 | 1 | |
| Oľšavská, Antónia | Antónia Oľšavská | Actor | 2012 | 2 | |
| Olejár, Peter | Peter Olejár | Actor | 2012 | 2 | |
| Ordeman, Lee | Lee Ordeman | Actor | 2012 | 1 | 3 |
| Oehl, Fabian | Fabian Oehl | Actor | 2012 | 2 | |
| O'Reilly, Vincent, A. | Vincent A. O'Reilly | Adaptation, Director | 2012 | 2 | |
| O'Donnell, Patrick | Patrick O'Donnell | Actor | 2012 | 1 | 2 |
| Ocina, Gabriel | Gabriel Ocina | Actor | 2012 | 1 | |
| Oliver, David | David Oliver | Director | 2012 | 1 | |
| Oakes, Simeon | Simeon Oakes | Actor | 2012 | 1 | |
| Ophelders, Michael | Michael Ophelders | Actor | 2012 | 1 | |
| Oikonomou, Michalis | Michalis Oikonomou | Actor | 2012 | 1 | |
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