| Oron, Tamar | Tamar Oron | Actor | 2020 | 2 | |
| Ondeck, Chris | Chris Ondeck | Actor | 2020 | 1 | |
| Ortman, Anders | Anders Ortman | Composer | 2020 | 5 | |
| Okafor, Amaka | Amaka Okafor | Actor | 2020 | 1 | |
| Olsen, Kim, Jøran | Kim Jøran Olsen | Actor | 2020 | 1 | |
| Ose, Victoria | Victoria Ose | Actor | 2020 | 2 | |
| Ostrovskaja, Ljubov' | Ljubov' Ostrovskaja | Actor | 2020 | 1 | |
| Ouzeau, Bruno | Bruno Ouzeau | Actor | 2020 | 1 | |
| Olafsson, Emil | Emil Olafsson | Actor | 2020 | 1 | |
| Odeen-Isbister, Sara | Sara Odeen-Isbister | Actor, Adaptation | 2020 | 2 | |
| O’Riordan, Rachel | Rachel O’Riordan | Director | 2019 – 2020 | 2 | |
| O'Gara, Penn | Penn O'Gara | Costume Designer | 2019 | 1 | |
| Okonkwo, Noble | Noble Okonkwo | Actor | 2019 | 1 | |
| Ortega, Manuel | Manuel Ortega | Actor | 2019 | 1 | |
| Occhiogrosso, Anne | Anne Occhiogrosso | Director | 2019 | 1 | |
| Oliver, Sarah, M. | Sarah M. Oliver | Costume Designer | 2019 | 1 | |
| Omar, Gumrah | Gumrah Omar | Director | 2019 | 1 | |
| Obrezkov, Maksim | Maksim Obrezkov | Designer | 2019 | 1 | |
| Odom, Hunter | Hunter Odom | Actor | 2019 | 1 | |
| Olmedo, Christian | Christian Olmedo | Actor | 2019 | 2 | |
| Omidi, Elena | Elena Omidi | Actor | 2019 | 1 | |
| Odağ, Efsane | Efsane Odağ | Assistant Director | 2019 | 1 | |
| Ocina, Gabriel | Gabriel Ocina | Actor | 2018 – 2020 | 2 | |
| Osazuwa, Evelyn, Rasmussen | Evelyn Rasmussen Osazuwa | Actor, Composer | 2018 – 2019 | 4 | |
| O'Connor, Zach | Zach O'Connor | Actor | 2018 | 1 | |
| O'Berski, Jaybird | Jaybird O'Berski | Actor | 2018 | 1 | |
| Opzoomer, India | India Opzoomer | Actor | 2018 | 1 | |
| Orwell, Harry | Harry Orwell | Actor | 2018 | 1 | |
| Olsen, Ragnar | Ragnar Olsen | Translator | 2018 | 10 | |
| Ortega, Jessie, Montoya | Jessie Montoya Ortega | Actor | 2018 | 1 | |
| Oakleaf, Donovan | Donovan Oakleaf | Actor | 2018 | 1 | |
| Ohmen, Kristina | Kristina Ohmen | Dramaturg | 2018 | 1 | |
| O'Hearn, Susan, P. | Susan P. O'Hearn | Director | 2018 | 1 | |
| O'Donnell, Mary Katherine | Mary Katherine O'Donnell | Actor | 2018 | 1 | |
| Olson, Emerson | Emerson Olson | Musician | 2018 | 1 | |
| Osgood, Dylan | Dylan Osgood | Musician | 2018 | 1 | |
| Oates, Charlie | Charlie Oates | Director | 2018 | 1 | |
| Olson, Andrew | Andrew Olson | Actor | 2018 | 6 | |
| Ono, Toshiaki | Toshiaki Ono | Actor | 2018 | 1 | |
| Oxley, Matt | Matt Oxley | Actor | 2018 | 1 | |
| Oikonomaki, Grigoria | Grigoria Oikonomaki | Actor | 2018 | 1 | |
| O'Brady, Mary | Mary O'Brady | Director | 2018 | 1 | |
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