| O´Valle, Violet | Violet O´Valle | Director | 2008 | 1 | |
| Obi, Christopher | Christopher Obi | Actor | 2008 | 2 | |
| Otte, Charles | Charles Otte | Director | 2008 | 1 | 1 |
| O'Dowd, Spencer | Spencer O'Dowd | Actor | 2008 | 2 | |
| Okubo, Ryoichi | Ryoichi Okubo | Actor | 2008 | 1 | |
| Otto, Frank-Tilmann | Frank-Tilmann Otto | Costume Designer, Designer | 2008 | 4 | |
| O'Reilly, Ciarán | Ciarán O'Reilly | Director | 2008 | 1 | 1 |
| Ortiz, Joanna | Joanna Ortiz | Actor | 2008 | 1 | |
| Otto, Max Julian | Max Julian Otto | Designer | 2008 - 2009 | 4 | |
| Ohkawa, Minako | Minako Ohkawa | Actor | 2008 - 2009 | 6 | |
| Ono, Y. | Y. Ono | Dramaturg | 2008 - 2009 | 3 | |
| Omar, Sulekha Ali | Sulekha Ali Omar | Choreographer, Dancer | 2008 - 2010 | 4 | |
| Olerud, Ingeborg S. | Ingeborg S. Olerud | Lighting Designer | 2008 - 2010 | 4 | |
| Okukawa, Koji | Koji Okukawa | Actor | 2008 - 2010 | 5 | |
| Olivetti, Alessia | Alessia Olivetti | Actor | 2008 - 2011 | 4 | |
| Orlova, Elena, Ju. | Elena Ju. Orlova | Costume Designer | 2008 - 2011 | 2 | |
| Ostendorf, Nils | Nils Ostendorf | Composer | 2008 - 2014 | 54 | 1 |
| O'Keefe, Nathan | Nathan O'Keefe | Actor | 2008 - 2017 | 3 | |
| 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 | |
| Ostanek, Kristijan | Kristijan Ostanek | Actor | 2009 | 6 | |
| Okafor, Stella | Stella Okafor | Lighting Designer | 2009 | 1 | |
| Ozawa, Maju | Maju Ozawa | Actor | 2009 | 1 | |
| Ono, Tetsushi | Tetsushi Ono | Actor | 2009 | 1 | |
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