| Mobers, Christine | Christine Mobers | Costume Designer, Designer | 1995 | 2 | |
| Matsumoto, Sakae | Sakae Matsumoto | Actor, Designer | 1996 | 2 | |
| Mitchell, Adrian | Adrian Mitchell | Translator | 1994 - 1995 | 2 | |
| Marcum, Quince | Quince Marcum | Actor | 1997 | 2 | |
| Mikulski, Stanisław | Stanisław Mikulski | Actor | 1969 | 2 | |
| Mattausch, Dietrich | Dietrich Mattausch | Actor | 2005 - 2006 | 2 | |
| Malton, Leslie | Leslie Malton | Actor | 2005 - 2006 | 2 | |
| Manso, Paula | Paula Manso | Actor | 1998 | 2 | |
| Mircea, Brânduşa | Brânduşa Mircea | Actor | 1997 - 1998 | 2 | |
| Mastalerz, Andrzej | Andrzej Mastalerz | Actor | 1998 - 2017 | 2 | |
| Marini, Ken | Ken Marini | Director | 2011 - 2014 | 2 | |
| Moumouris, Maximos | Maximos Moumouris | Actor | 2014 - 2015 | 2 | |
| McLellan, Kenny | Kenny McLellan | Designer | 2014 - 2015 | 2 | |
| Müller, Werner | Werner Müller | Director | 2006 - 2014 | 2 | |
| Maertens, Michael | Michael Maertens | Actor | 1997 | 2 | |
| Morris, John | John Morris | Composer, Musician | 1959 - 1969 | 2 | |
| Màlvica, Anna | Anna Màlvica | Actor | 1969 | 2 | |
| Mori, Renato | Renato Mori | Actor | 1969 | 2 | |
| Mitani, Noboru | Noboru Mitani | Actor | 1997 - 2006 | 2 | |
| Melina, Michał | Michał Melina | Actor | 1927 - 1928 | 2 | |
| Macellaro, Gabriela | Gabriela Macellaro | Costume Designer, Designer | 1997 | 2 | |
| Moreno, Eduardo | Eduardo Moreno | Designer | 2014 - 2022 | 2 | |
| 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 | |
| McKenzie, Claire | Claire McKenzie | Composer, Sound Designer | 2015 | 2 | |
| Maattola, Inke | Inke Maattola | Actor | 1964 - 1969 | 2 | |
| Miletineanu, Gheorghe | Gheorghe Miletineanu | Director | 1969 - 1978 | 2 | |
| Mikulíková, Michaela | Michaela Mikulíková | Actor | 1997 | 2 | |
| Mikkonen, Susanna | Susanna Mikkonen | Actor | 1997 | 2 | |
| Mitterrutzner, Peter | Peter Mitterrutzner | Adaptation, Director | 1997 | 2 | |
| Maines, Claudia | Claudia Maines | Actor | 1968 | 2 | |
| Mátrai, Erzsi, T. | Erzsi T. Mátrai | Actor | 1931 - 1935 | 2 | |
| Minks, Wilfried | Wilfried Minks | Costume Designer, Designer | 1968 | 2 | |
| Meacham, Anne | Anne Meacham | Actor | 1960 - 1968 | 2 | |
| McGuinn, Brenda | Brenda McGuinn | Actor | 1968 | 2 | |
| Marwitz, Irene | Irene Marwitz | Actor | 1967 | 2 | |
| McCann, David | David McCann | Actor | 2004 - 2009 | 2 | |
| Mokka, Hans | Hans Mokka | Actor | 1966 - 1967 | 2 | |
| Mitrović, Drago | Drago Mitrović | Actor | 1963 - 1967 | 2 | |
| Mattner, Christine | Christine Mattner | Actor | 1965 - 1967 | 2 | |
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