| Marussig, Fru, | Fru Marussig | Actor | 1892 | 13 | |
| Marikos, Athanasios, | Athanasios Marikos | Actor | 1896 – 1910 | 13 | |
| Müller-Hanno, Otto, | Otto Müller-Hanno | Actor, Director | 1916 – 1921 | 13 | |
| Michnowska, Stefania, | Stefania Michnowska | Actor | 1906 – 1914 | 13 | |
| Mathisen, Gørli, | Gørli Mathisen | Actor | 1971 – 2001 | 13 | |
| Meren, Turid, | Turid Meren | Actor | 1989 – 1998 | 13 | |
| McColl, Colin, | Colin McColl | Actor, Director | 1969 – 2017 | 13 | |
| Mittet, Hans Marius Hoff, | Hans Marius Hoff Mittet | Actor | 1999 – 2019 | 13 | |
| Münzner, Susanne, | Susanne Münzner | Costume Designer, Designer | 2004 – 2014 | 13 | |
| Morand, Philippe | Philippe Morand | Director | 1993 | 13 | |
| Maechler, Valérie | Valérie Maechler | Actor | 1993 | 13 | |
| Mergnat, Alain | Alain Mergnat | Actor | 2001 | 13 | |
| Mircovich, Natacha | Natacha Mircovich | Actor | 2001 | 13 | |
| Meduna, Jan | Jan Meduna | Actor | 2010 | 13 | |
| Moss, Arthur | Arthur Moss | Actor | 2007 – 2011 | 13 | |
| Marchand, Marc | Marc Marchand | Actor | 2011 | 13 | |
| Melki, Michel | Michel Melki | Actor | 2012 – 2013 | 13 | |
| Mills, Grace, | Grace Mills | Actor | 1936 – 1938 | 12 | |
| Mielche, Edouard | Edouard Mielche | Actor, Director | 1935 – 2003 | 12 | |
| Mićunović, Branislav, | Branislav Mićunović | Adaptation, Costume Designer, Designer, Director | 2000 | 12 | |
| Murchio, Andrea | Andrea Murchio | Actor, Adaptation, Director | 2008 | 12 | |
| Mitterwurzer, Friedrich, | Friedrich Mitterwurzer | Actor | 1876 – 1919 | 12 | 1 |
| Mancke, Paula, | Paula Mancke | Actor | 1893 – 1900 | 12 | |
| Mathiesen, Anna, | Anna Mathiesen | Actor | 1897 | 12 | |
| Madsen, Carl, | Carl Madsen | Actor | 1899 – 1904 | 12 | |
| Meyer, Alfred, | Alfred Meyer | Actor | 1910 – 1921 | 12 | |
| MacDermott, Marc, | Marc MacDermott | Actor | 1906 | 12 | |
| Moen, Svein, | Svein Moen | Actor | 1971 – 1975 | 12 | |
| Munch, Trond Peter Stamsø, | Trond Peter Stamsø Munch | Actor | 1992 – 2017 | 12 | |
| Myhre, Hild Østerberg, | Hild Østerberg Myhre | Actor | 2004 – 2012 | 12 | |
| Meirik, Victoria H., | Victoria H. Meirik (Victoria H. Meirik) | Adaptation, Director | 2003 – 2014 | 12 | |
| Mjøs, Njål Helge, | Njål Helge Mjøs | Adaptation, Dramaturg | 2011 – 2018 | 12 | |
| Mencák, Břetislav | Břetislav Mencák | Translator | 1958 – 2012 | 12 | |
| Meyer, Karin | Karin Meyer | Actor | 1922 – 1939 | 12 | |
| Malmsjö, Jan | Jan Malmsjö | Actor | 1972 – 2006 | 12 | |
| Marowitz, Charles | Charles Marowitz | Adaptation, Director | 1978 – 1990 | 12 | |
| Mesgarha, Ahmad | Ahmad Mesgarha | Actor | 2004 – 2009 | 12 | 3 |
| Magnusdotter Solem, Marte | Marte Magnusdotter Solem | Actor | 2014 | 12 | |
| Mouchel, Luce | Luce Mouchel | Actor | 2014 – 2016 | 12 | |
| Marggraf, Erhard | Erhard Marggraf | Actor | 1991 – 2003 | 12 | |
| Mignolli, Monica | Monica Mignolli | Actor | 1995 – 1996 | 12 | |
| Massari, Liliana | Liliana Massari | Actor | 1995 – 1996 | 12 | |
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