| McKenna, Sinéad | Sinéad McKenna | Lighting Designer | 2017 - 2023 | 2 | |
| McBurney, Christine | Christine McBurney | Assistant Director, Director | 2017 - 2022 | 2 | |
| Masur, Ken-David | Ken-David Masur | Conductor | 2017 - 2022 | 2 | |
| Mayo, Caleb | Caleb Mayo | Actor | 2017 - 2022 | 2 | |
| Modzelewski, Krystian | Krystian Modzelewski | Actor | 2017 - 2021 | 2 | |
| Maglečić, Tomislav | Tomislav Maglečić | Lighting Designer | 2017 - 2021 | 2 | |
| Mårtensson, Klara | Klara Mårtensson | Actor | 2017 - 2020 | 4 | |
| Marthinsen, Ada | Ada Marthinsen | Actor | 2017 - 2020 | 2 | |
| Mattsson, Niklas | Niklas Mattsson | Actor | 2017 - 2020 | 2 | |
| Maier, Justus | Justus Maier | Actor | 2017 - 2020 | 2 | |
| McDonagh, Seán | Seán McDonagh | Actor | 2017 - 2020 | 2 | |
| Miklusz, Peter | Peter Miklusz | Actor | 2017 - 2020 | 2 | |
| Manrique, Julio | Julio Manrique | Director | 2017 - 2020 | 2 | |
| Marco, Lluis | Lluis Marco | Actor | 2017 - 2020 | 2 | |
| Molina, Carmelo | Carmelo Molina | Musician | 2017 - 2020 | 2 | |
| Morales, Alicia | Alicia Morales | Musician | 2017 - 2020 | 2 | |
| Mulder, Steffen | Steffen Mulder | Actor, Dancer | 2017 - 2019 | 2 | |
| Mălău, Ioana | Ioana Mălău | Dramaturg | 2017 - 2019 | 9 | |
| Mejuto, Xoán Carlos | Xoán Carlos Mejuto | Actor, Adaptation, Director | 2017 - 2019 | 6 | |
| Mortensen, Linnea, Sunde | Linnea Sunde Mortensen | Actor, Dancer | 2017 - 2018 | 2 | |
| Micheletti, Luca | Luca Micheletti | Actor, Director | 2017 - 2018 | 5 | |
| Mulvany, Kate | Kate Mulvany | Actor | 2017 - 2018 | 2 | |
| Michelsen, Morten | Morten Michelsen | Musician | 2017 - 2018 | 2 | |
| Martin, Michele | Michele Martin | Actor, Adaptation | 2017 | 2 | |
| Mattke, Sven | Sven Mattke | Actor | 2017 | 1 | |
| Mordal, Eirik | Eirik Mordal | Sound Designer | 2017 | 1 | |
| Muthmann, Volker | Volker Muthmann | Actor | 2017 | 1 | |
| Muth, Benjamin | Benjamin Muth | Actor | 2017 | 1 | |
| Mark, Denis | Denis Mark | Actor | 2017 | 1 | |
| Messens, Sarah | Sarah Messens | Actor | 2017 | 1 | |
| Meric, Ilker | Ilker Meric | Actor | 2017 | 1 | |
| MacTavish, Terry | Terry MacTavish | Actor | 2017 | 1 | |
| Milanovich, Lizzie | Lizzie Milanovich | Actor | 2017 | 1 | |
| Martin, Zoe Adams | Zoe Adams Martin | Actor | 2017 | 1 | |
| Milburn, Rob | Rob Milburn | Sound Designer | 2017 | 1 | |
| Mierlo, Ad van | Ad van Mierlo | Producer | 2017 | 35 | |
| Maggio, Frances | Frances Maggio | Costume Designer | 2017 | 1 | |
| Martinez, Daniela | Daniela Martinez | Actor | 2017 | 2 | |
| Myre, Ruth Marthea, Mosvold | Ruth Marthea Mosvold Myre | Dancer | 2017 | 1 | |
| Miles, Geoff | Geoff Miles | Sound Designer | 2017 | 17 | |
| Momann, Henner | Henner Momann | Actor | 2017 | 1 | |
| MacLaughlin, Garrett | Garrett MacLaughlin | Actor | 2017 | 1 | |
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