| O'Clery, Joan | Joan O'Clery | Costume Designer | 2023 | 1 | |
| Odegaard, Elin | Elin Odegaard | Actor | 2023 | 1 | |
| Onaodowan, Okierite | Okierite Onaodowan | Actor | 2023 | 1 | |
| Occomore, Nye | Nye Occomore | Actor | 2023 | 1 | |
| O'Neil, Rebecca Pugh Parker | Rebecca Pugh Parker O'Neil | Actor | 2023 | 1 | |
| O'Brien, Denise | Denise O'Brien | Designer | 2023 | 1 | |
| Okin, Matt | Matt Okin | Director | 2023 | 1 | |
| Osako, Koji | Koji Osako (大迫浩二) | Lighting Designer | 2023 | 2 | |
| Oberton , Michael | Michael Oberton | Actor | 2023 | 1 | |
| Oliveira, Inês da Cruz | Inês da Cruz Oliveira | Actor | 2023 | 1 | |
| Ortenzi, Oriana | Oriana Ortenzi | Actor | 2022 - 2024 | 3 | |
| Ortiz, Gabe | Gabe Ortiz | Actor | 2022 | 1 | |
| Oftebro, Jonas Hoff | Jonas Hoff Oftebro | Actor | 2022 | 1 | |
| Ohlinger, Kristie | Kristie Ohlinger | Actor | 2022 | 1 | |
| O'Farrell, Noémie | Noémie O'Farrell | Actor | 2022 | 2 | |
| Omerović, Aldin | Aldin Omerović | Actor | 2022 | 1 | |
| Oleksikiw, Silvia | Silvia Oleksikiw | Producer | 2022 | 1 | |
| O'Malley, Cathleen | Cathleen O'Malley | Assistant Director | 2022 | 1 | |
| Orozco, Carolina | Carolina Orozco | Actor | 2022 | 1 | |
| Ou, Daisy | Daisy Ou | Actor | 2022 | 1 | |
| Olsen, Brian | Brian Olsen | Actor | 2022 | 2 | |
| Ottinger , Matt | Matt Ottinger | Video Designer | 2022 | 1 | |
| O'Brien, Meredith | Meredith O'Brien | Actor | 2022 | 1 | |
| Ooi, Mike | Mike Ooi | Actor | 2022 | 1 | |
| Ortiz, Carolina | Carolina Ortiz | Lighting Designer | 2022 | 1 | |
| Osmani, Blerim | Blerim Osmani (Блерим Османи) | Musician | 2022 | 1 | |
| Ouisem, Abdellaoui | Abdellaoui Ouisem | Actor | 2022 | 1 | |
| Olteanu , Stefan | Stefan Olteanu | Actor | 2022 | 1 | |
| Olsson, Erik | Erik Olsson | Actor | 2022 | 1 | |
| Okehurst, Katie | Katie Okehurst | Actor | 2022 | 1 | |
| Otrębski , Grzegorz | Grzegorz Otrębski | Actor | 2022 | 1 | |
| Oramusc, Anna | Anna Oramusc | Costume Designer | 2022 | 1 | |
| Oshinari, Shugo | Shugo Oshinari (忍成修吾) | Actor | 2022 | 2 | |
| Otaka, Akira | Akira Otaka (大鷹明良) | Actor | 2022 | 2 | |
| Ouitin Kouadjo, Charles | Charles Ouitin Kouadjo | Set Designer | 2022 | 1 | |
| Ossowski, Nicolas | Nicolas Ossowski | Actor | 2021 - 2023 | 2 | |
| Odle, Cliff | Cliff Odle | Actor | 2021 | 1 | |
| Oakley, Martin | Martin Oakley | Lighting Designer | 2021 | 1 | |
| O'Kane, John | John O'Kane | Actor | 2021 | 1 | |
| Orlando, Carlo | Carlo Orlando | Assistant Director | 2021 | 3 | |
| Osokin, Evgeny | Evgeny Osokin (Евгений Осокин) | Actor | 2021 | 1 | |
| Owen, Dan | Dan Owen | Actor | 2021 | 1 | |
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