| Mueller, Caroline | Caroline Mueller | Choreographer | 2014 | 18 | |
| Matalová, Eva | Eva Matalová | Actor | 1969 | 1 | |
| Maršálek, Steva | Steva Maršálek | Actor | 1969 | 1 | |
| Moučka, Otakar | Otakar Moučka | Actor | 1969 | 1 | |
| Morris, John | John Morris | Composer, Musician | 1959 - 1969 | 2 | |
| Meyers, Marilyn | Marilyn Meyers | Actor | 1969 | 1 | |
| Miller, Sharron | Sharron Miller | Actor | 1969 | 1 | |
| Màlvica, Anna | Anna Màlvica | Actor | 1969 | 2 | |
| Mori, Renato | Renato Mori | Actor | 1969 | 2 | |
| Murena, Daniel | Daniel Murena | Composer | 2014 | 1 | |
| Merki, Stefan | Stefan Merki | Actor | 1997 | 6 | |
| McCreery, Marina | Marina McCreery | Actor | 1997 | 1 | |
| Mitani, Noboru | Noboru Mitani | Actor | 1997 - 2006 | 2 | |
| Melina, Michał | Michał Melina | Actor | 1927 - 1928 | 2 | |
| Mamont, Zbigniew | Zbigniew Mamont | Actor | 1975 | 1 | |
| Maślińska, Irena | Irena Maślińska | Actor | 1975 | 1 | |
| Mawby, Michael | Michael Mawby | Actor | 1997 - 1998 | 4 | |
| Matthews, Seymour | Seymour Matthews | Actor | 1997 - 1998 | 4 | |
| Manning, Guy | Guy Manning | Actor | 1997 - 1998 | 4 | |
| Macellaro, Gabriela | Gabriela Macellaro | Costume Designer, Designer | 1997 | 2 | |
| Martínez, Jordi | Jordi Martínez | Actor | 2014 | 1 | |
| Moreno, Eduardo | Eduardo Moreno | Designer | 2014 - 2022 | 2 | |
| Moreno, Anabel | Anabel Moreno | Actor | 2014 | 1 | |
| Morales, Angel | Angel Morales | Actor | 2014 | 1 | |
| Martino, Federica Di | Federica Di Martino | Actor | 2013 - 2018 | 14 | |
| Macaluso, Andrea | Andrea Macaluso | Actor | 2013 - 2014 | 9 | |
| Mandolini, Mauro | Mauro Mandolini | Actor | 2013 - 2014 | 9 | |
| Molnár, János | János Molnár | Actor | 1920 - 1924 | 3 | |
| Marchi, Luiz | Luiz Marchi | Lighting Designer | 1969 | 2 | |
| Martins, Américo | Américo Martins | Actor | 1969 | 2 | |
| Melo, Graça | Graça Melo | Actor | 1969 | 2 | |
| Martins, Chico | Chico Martins | Actor | 1969 | 2 | |
| Molloy, Deirdre | Deirdre Molloy | Actor | 2015 | 1 | |
| McErlean, Keith | Keith McErlean | Actor | 2015 | 1 | |
| Mythen, Sue | Sue Mythen | Choreographer | 2015 | 1 | |
| McKenzie, Claire | Claire McKenzie | Composer, Sound Designer | 2015 | 2 | |
| Mebius, Mr. | Mr. Mebius | Actor | 1881 | 1 | |
| Moe, Arthur | Arthur Moe | Actor | 1969 | 1 | |
| Monsen, Carl | Carl Monsen | Actor | 1969 | 1 | |
| McCarty, Joel | Joel McCarty | Lighting Designer | 1969 - 1970 | 3 | |
| Martin, John | John Martin | Actor | 1969 - 1984 | 4 | |
| Mätinki, Leo | Leo Mätinki | Lighting Designer | 1969 | 1 | |
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