| Melander, Björn | Björn Melander | Adaptation, Director | 1999 - 2008 | 6 | 1 |
| Mikulková, Gabriela | Gabriela Mikulková | Actor | 1999 - 2008 | 2 | 5 |
| McDonough, Tim | Tim McDonough | Actor, Adaptation, Director, Sound Designer | 1999 - 2009 | 5 | |
| Meshulach, Rivka | Rivka Meshulach | Adaptation, Translator | 1999 - 2013 | 3 | 1 |
| Mendroch, Horst | Horst Mendroch | Actor | 1999 - 2013 | 2 | |
| Muzzolon, Marco | Marco Muzzolon | Designer | 1999 - 2014 | 3 | |
| Mátray, László | László Mátray | Actor | 1999 - 2015 | 2 | |
| Mai-The, Paul Duc | Paul Duc Mai-The | Actor | 1999 - 2016 | 39 | 3 |
| McCormick, Carolyn | Carolyn McCormick | Actor | 1999 - 2016 | 2 | |
| Mittet, Hans Marius Hoff | Hans Marius Hoff Mittet | Actor | 1999 - 2019 | 13 | |
| Mari, Pasquale | Pasquale Mari | Lighting Designer | 1999 - 2021 | 14 | |
| Myrann Sørbøe, Ilene | Ilene Myrann Sørbøe | Actor, Director, Dramaturg | 1999 - 2023 | 8 | |
| Maak, Jan | Jan Maak | Actor | 1999 - 2023 | 3 | |
| Magill, Simon | Simon Magill | Director | 2000 | 1 | |
| Mansos, Holly | Holly Mansos | Costume Designer | 2000 | 1 | |
| Marshall, Stuart | Stuart Marshall | Designer | 2000 | 1 | |
| Massey, Hart | Hart Massey | Actor | 2000 | 1 | 1 |
| Masteller, Kerry | Kerry Masteller | Actor | 2000 | 1 | |
| McCord, Michael | Michael McCord | Designer | 2000 | 1 | |
| McFetridge, Paula | Paula McFetridge | Actor | 2000 | 1 | |
| McGrew, Melina | Melina McGrew | Actor | 2000 | 1 | |
| McNally, Mary | Mary McNally | Actor | 2000 | 1 | |
| Miller, Maya | Maya Miller | Actor | 2000 | 1 | |
| Musial, Magdalena | Magdalena Musial | Costume Designer, Designer | 2000 | 2 | |
| McLean, Carrie | Carrie McLean | Actor | 2000 | 1 | |
| Mosvold, Håkon | Håkon Mosvold | Actor | 2000 | 1 | |
| Mannov, Eva | Eva Mannov | Actor | 2000 | 2 | 1 |
| Mancinelli-Cahill, Maggie | Maggie Mancinelli-Cahill | Director | 2000 | 1 | |
| McKenzie, Michael | Michael McKenzie | Actor | 2000 | 1 | |
| McGuigan, Marcy | Marcy McGuigan | Actor | 2000 | 2 | 1 |
| MacHugh, Melanie | Melanie MacHugh | Actor | 2000 | 1 | |
| Marcell, Joseph | Joseph Marcell | Actor | 2000 | 1 | 1 |
| Milfajtová, Sára | Sára Milfajtová | Actor | 2000 | 5 | |
| Mišurec, Karel | Karel Mišurec | Actor | 2000 | 3 | |
| Michalová, Ružena | Ružena Michalová | Actor | 2000 | 1 | |
| Müller, Václav | Václav Müller | Actor | 2000 | 1 | |
| Michalcová, Martina | Martina Michalcová | Actor | 2000 | 2 | |
| Mazničenko, Zacharij | Zacharij Mazničenko | Actor | 2000 | 1 | |
| Musialek, Robert | Robert Musialek | Actor | 2000 | 1 | |
| Mareček, Radek | Radek Mareček | Actor | 2000 | 1 | |
| Marková, Hana | Hana Marková | Actor | 2000 | 1 | |
| Meissner, Dorothea | Dorothea Meissner | Actor | 2000 | 1 | |
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