| Meinhardt, Sabine | Sabine Meinhardt | Costume Designer | 2001 - 2004 | 2 | |
| Mandell, Ellen | Ellen Mandell | Composer, Sound Designer | 2004 | 2 | |
| Mikulková, Gabriela | Gabriela Mikulková | Actor | 1999 - 2008 | 2 | 5 |
| Minetti, Daniel | Daniel Minetti | Actor | 2004 | 2 | |
| Mňahončák, Martin | Martin Mňahončák | Actor | 2008 | 2 | |
| McClinden, Christopher | Christopher McClinden | Actor | 2004 - 2018 | 2 | |
| Mata, Olga | Olga Mata | Actor | 2004 | 2 | |
| Maldonado, Manuel | Manuel Maldonado | Sound Designer | 2004 | 2 | |
| Maier, Andreas | Andreas Maier | Actor | 2004 - 2005 | 2 | 1 |
| Merrylees, Nick | Nick Merrylees | Lighting Designer | 2004 | 2 | |
| McConaghy, Sean | Sean McConaghy | Actor | 2004 - 2021 | 2 | |
| Maratrat, Léo | Léo Maratrat | Actor | 2004 | 2 | |
| Moise, Candice | Candice Moise | Designer, Lighting Designer | 2004 | 2 | |
| Minh, Tran | Tran Minh | Choreographer | 2004 - 2006 | 2 | |
| Maléř, Jan | Jan Maléř | Actor | 2005 - 2006 | 2 | 3 |
| Mucha, Zdeněk | Zdeněk Mucha | Actor | 2005 - 2006 | 2 | 1 |
| Műller, Vlado | Vlado Műller | Actor | 1972 - 2004 | 2 | |
| Moe, Nils | Nils Moe | Actor | 2004 | 2 | |
| Moe, Vigdis | Vigdis Moe | Actor | 2004 | 2 | |
| McKnight, Betsy Elizabeth Ann | Betsy Elizabeth Ann McKnight | Actor, Mask Maker | 2004 | 2 | |
| Mikulášek, Ondřej | Ondřej Mikulášek | Actor | 2005 - 2006 | 2 | |
| May, Roland | Roland May | Director | 2004 | 2 | 1 |
| Mridha, Erfan | Erfan Mridha | Actor | 2004 | 2 | |
| Mencáková, Jiřina | Jiřina Mencáková | Actor | 2001 | 2 | |
| Mahajan, Kartik | Kartik Mahajan | Actor | 2005 - 2006 | 2 | |
| Marešová, Marie | Marie Marešová | Actor | 2000 - 2012 | 2 | |
| Michanek, Sebastian | Sebastian Michanek | Actor | 2005 - 2006 | 2 | |
| Mihalcea, Dragos | Dragos Mihalcea | Actor | 2005 - 2006 | 2 | |
| Michalcová, Martina | Martina Michalcová | Actor | 2000 | 2 | |
| Minaretzis, Dimitris | Dimitris Minaretzis | Actor | 2005 | 2 | |
| Mircea, Florin | Florin Mircea | Actor | 1991 - 2005 | 2 | |
| Manoliu, Liviu | Liviu Manoliu | Actor | 2005 | 2 | |
| Montgomery, Eleanor | Eleanor Montgomery | Actor | 2001 | 2 | 1 |
| Mennika, Māra | Māra Mennika | Actor | 2005 | 2 | |
| Matulová, Vlasta | Vlasta Matulová | Actor | 1939 - 1978 | 2 | |
| Mutiso, Barnabas | Barnabas Mutiso | Designer, Lighting Designer | 2005 | 2 | |
| Mikkonen, Timo | Timo Mikkonen | Actor | 2005 | 2 | |
| McCamus, Tom | Tom McCamus | Actor | 2005 - 2024 | 2 | |
| Manson, Ross | Ross Manson | Actor, Director | 2000 - 2005 | 2 | |
| Matĕjovský, Jan | Jan Matĕjovský | Director | 1955 - 1958 | 2 | 1 |
| Miller Lindblom, Penelope | Penelope Miller Lindblom | Actor | 2005 | 2 | |
| Marin, Ilona | Ilona Marin | Actor | 2010 | 2 | |
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