| 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 (Alev Oraloglu) | Actor | 2012 | 1 | |
| Oroșanu, Cristian | Cristian Oroșanu | Conductor | 2012 | 1 | |
| Oviedo, Alejandra | Alejandra Oviedo | Actor | 2012 - 2013 | 3 | |
| Otten, Marcel | Marcel Otten | Translator | 2012 - 2013 | 29 | |
| Osterop, Marcel | Marcel Osterop | Actor | 2012 - 2013 | 29 | |
| Obst, Angela | Angela Obst | Dramaturg | 2012 - 2014 | 2 | |
| Offerdal, Sindre Strand, | Sindre Strand Offerdal | Actor | 2012 - 2015 | 3 | |
| Oechel, Hagen | Hagen Oechel | Actor | 2012 - 2015 | 2 | 2 |
| Olsen, Thale Kvam, | Thale Kvam Olsen | Costume Designer, Designer | 2013 | 4 | |
| Ovenstrøm, Halvor, | Halvor Ovenstrøm | Musician | 2013 | 1 | |
| Ovrum, Arild, | Arild Ovrum | Musician | 2013 | 1 | |
| O'Connor, Thom | Thom O'Connor | Composer | 2013 | 1 | |
| O'Connor, Peter, Dylan | Peter Dylan O'Connor | Actor | 2013 | 1 | 1 |
| Owen, Philip | Philip Owen | Sound Designer | 2013 | 1 | |
| Owen, Jenny | Jenny Owen | Actor | 2013 | 1 | |
| O'Hara, Caitlin | Caitlin O'Hara | Designer | 2013 | 1 | |
| Olsen, Roar, Skau | Roar Skau Olsen | Sound Designer | 2013 | 1 | |
| Okhlupin, Igor | Igor Okhlupin (Игорь Охлупин) | Actor | 2013 | 1 | |
| Otčenášek, Štěpán | Štěpán Otčenášek | Dramaturg | 2013 | 3 | |
| Olivo, Oscar | Oscar Olivo | Actor | 2013 | 1 | |
| Oestereich, Tilman | Tilman Oestereich | Assistant Director | 2013 | 1 | |
| Odiaka, Kingsley | Kingsley Odiaka | Actor | 2013 | 1 | |
| Otte, Carly | Carly Otte | Actor | 2013 | 1 | 1 |
| Ohlsson, Eva-Lotta | Eva-Lotta Ohlsson | Actor | 2013 | 1 | |
| Olmarker, Victoria | Victoria Olmarker | Actor | 2013 | 1 | |
| Oppermam, CJ | CJ Oppermam | Actor | 2013 | 1 | |
| Okamura, Akemi | Akemi Okamura | Dramaturg | 2013 | 1 | |
| Olsson, Mathias | Mathias Olsson | Actor | 2013 | 1 | |
| Ofir, Alon | Alon Ofir | Actor | 2013 | 1 | |
| Ott, Brian | Brian Ott | Actor | 2013 | 1 | |
| Oglesby, Ben | Ben Oglesby | Actor | 2013 | 1 | |
| Osborne, Collin | Collin Osborne | Actor | 2013 | 1 | |
| O'Byrne, Peter | Peter O'Byrne | Actor | 2013 | 1 | |
| 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 | |
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