| Mastalski, Zenon | Zenon Mastalski | Actor | 1907 - 1912 | 4 | |
| Montgomery, Florence | Florence Montgomery | Actor | 1907 - 1908 | 4 | |
| Mihelsons, Aleksandrs | Aleksandrs Mihelsons | Actor | 1908 - 1912 | 4 | |
| Meirik, Hans Petter | Hans Petter Meirik | Actor | 1976 - 1993 | 4 | |
| McDiarmid, Ian | Ian McDiarmid | Actor | 1980 - 2011 | 4 | |
| Myhren, Eilev Groven | Eilev Groven Myhren | Actor, Lighting Designer | 1988 - 1995 | 4 | |
| Madshus, Marie | Marie Madshus | Actor | 1999 - 2000 | 4 | |
| Mostraum, Tone | Tone Mostraum | Actor | 2004 - 2020 | 4 | 1 |
| Morales, Muhinjo | Muhinjo Morales | Actor | 2006 | 4 | |
| Madshus, Synne | Synne Madshus | Actor | 2006 - 2007 | 4 | |
| Modell, Ane | Ane Modell | Actor | 2006 | 4 | |
| Mirshahi, Maral | Maral Mirshahi | Actor | 2006 | 4 | |
| Moen, Marita Kristine | Marita Kristine Moen | Actor | 2007 - 2012 | 4 | |
| Meland, Andreas | Andreas Meland | Composer | 2008 - 2010 | 4 | |
| McCall, Brendan | Brendan McCall | Actor, Director, Producer | 2009 - 2020 | 4 | |
| Myhren, Øyonn Groven | Øyonn Groven Myhren | Actor, Choreographer, Dancer, Musician | 1988 - 2010 | 4 | |
| Mathisen, Gjermund | Gjermund Mathisen | Actor | 2010 | 4 | |
| Moshagen, Sigve | Sigve Moshagen | Actor | 2012 - 2013 | 4 | |
| Moshagen, Sondre | Sondre Moshagen | Actor | 2012 - 2013 | 4 | |
| Myhr, Eirik | Eirik Myhr | Composer | 2012 - 2018 | 4 | |
| Makris, Vasilis | Vasilis Makris | Actor | 1911 - 1912 | 4 | |
| Malberg, Henrik | Henrik Malberg | Actor | 1917 - 1948 | 4 | |
| Martini, Mortimer | Mortimer Martini | Actor | 1920 | 4 | |
| Merritt, George | George Merritt | Actor | 1922 - 1925 | 4 | |
| Milev, Geo | Geo Milev | Translator | 1923 - 1924 | 4 | |
| Moore, Frank | Frank Moore | Actor | 1913 - 1928 | 4 | |
| Michelsen, Randi | Randi Michelsen | Actor | 1924 - 1960 | 4 | |
| Mihalesco, Mr. | Mr. Mihalesco | Actor | 1925 - 1934 | 4 | |
| McMahon, Gregan | Gregan McMahon | Actor, Producer | 1926 - 1933 | 4 | |
| McGill, Bruce | Bruce McGill | Actor | 1975 | 4 | |
| Misiak, Sarah | Sarah Misiak | Actor | 1974 - 2000 | 4 | |
| Moore, Meriel | Meriel Moore | Actor | 1928 - 1948 | 4 | |
| Munch, Karine | Karine Munch | Actor | 1995 - 1996 | 4 | |
| Michalski, Stanisław | Stanisław Michalski | Actor | 1975 - 1992 | 4 | |
| McCusker, Stella | Stella McCusker | Actor | 1982 - 2003 | 4 | |
| Möller, Klas | Klas Möller | Lighting Designer | 1972 - 1973 | 4 | |
| Michel, Carl | Carl Michel | Actor, Director | 1893 | 4 | |
| Mitropoulo, Kaiti | Kaiti Mitropoulo | Actor | 1975 | 4 | |
| Markolias, Giorgos | Giorgos Markolias | Actor | 1975 | 4 | |
| Mantzari, Morfoula | Morfoula Mantzari | Actor | 1975 | 4 | |
| Myridou, Veta | Veta Myridou | Musical Director | 1975 | 4 | |
| Mittreiter, Kurt | Kurt Mittreiter | Costume Designer, Designer | 1967 - 1973 | 4 | |
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