| Mirbach, Ingrid | Ingrid Mirbach | Actor | 1983 - 1984 | 2 | 1 |
| Munch-Møller, Asger | Asger Munch-Møller | Actor, Translator | 1983 - 1990 | 3 | 1 |
| Markovičová, M. | M. Markovičová | Actor | 1955 | 1 | 1 |
| Machata, Karol | Karol Machata | Actor | 1983 | 1 | 1 |
| Magálová, Kamila | Kamila Magálová | Actor | 1972 - 1983 | 2 | 1 |
| Mazalová, Gita | Gita Mazalová | Actor | 1993 | 1 | 1 |
| Morley, Christopher | Christopher Morley | Costume Designer, Designer | 1983 | 2 | 1 |
| McGuigan, Marcy | Marcy McGuigan | Actor | 2000 | 2 | 1 |
| Mitra, Saoli | Saoli Mitra | Actor, Director | 2002 | 2 | 1 |
| Malcolm, Duncan | Duncan Malcolm | Actor | 2009 | 2 | 1 |
| Mulrine, Stephen | Stephen Mulrine | Adaptation, Translator | 2002 - 2008 | 21 | 1 |
| McCormack, Catherine | Catherine McCormack | Actor | 2008 | 2 | 1 |
| Mortensen, Elisabeth | Elisabeth Mortensen | Actor | 2008 - 2010 | 2 | 1 |
| Marsini, Jerry | Jerry Marsini | Actor | 2009 | 1 | 1 |
| Mosbæk, Christian | Christian Mosbæk | Actor | 2009 | 33 | 1 |
| Moore, Christopher | Christopher Moore | Actor, Sound Designer | 1983 - 1999 | 2 | 1 |
| Mustoff, Sonja | Sonja Mustoff | Actor | 1971 - 2013 | 10 | 1 |
| Mess, Attila | Attila Mess | Actor | 2011 | 2 | 1 |
| Mardzoeki, Faiza | Faiza Mardzoeki | Adaptation, Translator | 2011 | 2 | 1 |
| Major, Melinda | Melinda Major | Actor | 2002 - 2011 | 2 | 1 |
| Maagaard, Jan | Jan Maagaard | Adaptation, Director, Translator | 1992 - 2002 | 7 | 1 |
| McCann, Christopher | Christopher McCann | Actor | 1984 - 2001 | 5 | 1 |
| Magennis, Dermot | Dermot Magennis | Actor | 2012 - 2013 | 2 | 1 |
| Müller, Moritz | Moritz Müller | Designer | 2012 - 2016 | 5 | 1 |
| Moreno, Alexis | Alexis Moreno | Actor, Adaptation | 2012 - 2018 | 4 | 1 |
| Medo, Hans | Hans Medo | Actor | 1957 - 1963 | 2 | 1 |
| MacNeil, Ian | Ian MacNeil | Designer | 1986 - 2016 | 6 | 1 |
| Martin, Caroline | Caroline Martin | Actor | 2012 - 2016 | 5 | 1 |
| Murphy, Aaron | Aaron Murphy | Actor | 2003 - 2012 | 2 | 1 |
| Morris, Judy | Judy Morris | Actor | 1984 | 1 | 1 |
| Mettin, Stephan | Stephan Mettin | Costume Designer, Director | 1992 - 2000 | 3 | 1 |
| Mogg, Nann | Nann Mogg | Actor | 1984 | 2 | 1 |
| Meyer, Ernst | Ernst Meyer | Actor | 1957 - 1966 | 2 | 1 |
| McCardie, Brian | Brian McCardie | Actor | 2013 - 2015 | 5 | 1 |
| Mellentin, Birgitte | Birgitte Mellentin | Costume Designer, Designer | 1997 - 2009 | 41 | 1 |
| Moritzen, Michael | Michael Moritzen | Actor | 1985 | 2 | 1 |
| Moriarty, Paul | Paul Moriarty | Actor | 1985 - 2008 | 3 | 1 |
| Murphy, Brenda | Brenda Murphy | Costume Designer | 1985 | 1 | 1 |
| Martišová, Žofia | Žofia Martišová | Actor | 1985 - 2008 | 3 | 1 |
| McHattie, Stephen | Stephen McHattie | Actor | 1985 | 1 | 1 |
| Martin, Paul | Paul Martin | Actor | 1899 | 1 | 1 |
| Myhre, Sigurd | Sigurd Myhre | Actor | 2014 - 2016 | 2 | 1 |
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