| Militaru, Sorin | Sorin Militaru | Director | 2006 | 2 | 1 |
| Minguell, Josep | Josep Minguell | Actor | 1988 - 1997 | 2 | |
| Mirnik, Cveta | Cveta Mirnik | Costume Designer | 1979 - 1986 | 2 | |
| Modrzejewska, Helena | Helena Modrzejewska | Actor | 1882 - 1885 | 2 | 2 |
| Moe, Stig-Werner | Stig-Werner Moe | Actor | 1992 - 1996 | 2 | |
| Mohamed, Makbul | Makbul Mohamed | Actor | 2005 - 2006 | 2 | |
| Mohr, Betty | Betty Mohr | Actor | 1934 - 1935 | 2 | |
| Molander, Gustaf | Gustaf Molander | Actor | 1921 - 1925 | 2 | 1 |
| Moldovan, Dorothea | Dorothea Moldovan | Actor | 2006 | 2 | |
| Montagna, Carlo | Carlo Montagna | Actor | 1974 | 2 | |
| Moore, John | John Moore | Actor | 1957 - 1962 | 2 | 1 |
| Moreno, Mireya | Mireya Moreno | Actor | 2006 - 2011 | 2 | |
| Morgen, Gisela | Gisela Morgen | Actor | 1951 - 1964 | 2 | |
| Morgenstern, Holger | Holger Morgenstern | Actor | 1995 | 2 | |
| Mori, Masao | Masao Mori | Actor | 1940 - 1946 | 2 | |
| Möring, Brigitte | Brigitte Möring | Actor | 1978 - 1981 | 2 | |
| Mortensen, Lia | Lia Mortensen | Actor | 2001 | 2 | |
| Mortensen, Marianne | Marianne Mortensen | Actor | 1990 - 2002 | 2 | 1 |
| Mühlhan, Margarethe | Margarethe Mühlhan | Actor | 1946 - 1954 | 2 | |
| Muller, Mathieu | Mathieu Muller | Actor | 2000 - 2003 | 2 | |
| Müller, Carl | Carl Müller | Actor | 1961 - 1970 | 2 | |
| Müller, Jens | Jens Müller | Actor | 1993 | 2 | |
| Müller, Karl-Frank | Karl-Frank Müller | Actor | 1992 - 1999 | 2 | |
| Müller, Liselotte | Liselotte Müller | Actor | 1972 - 1980 | 2 | |
| Müller, Mounia | Mounia Müller | Actor | 1993 | 2 | |
| Mumford, Stephanie | Stephanie Mumford | Actor, Costume Designer | 2002 | 2 | 1 |
| Murphy, Sean | Sean Murphy | Actor | 1971 - 2011 | 2 | |
| Murray, Rupert | Rupert Murray | Lighting Designer | 1984 - 1993 | 2 | |
| Musial, Magdalena | Magdalena Musial | Costume Designer, Designer | 2000 | 2 | |
| Mutalipassi, Loredana | Loredana Mutalipassi | Lighting Designer, Sound Designer | 2006 | 2 | |
| Madsen, Frederik | Frederik Madsen | Actor | 1876 - 1880 | 2 | |
| Montarello, Jose | Jose Montarello | Actor | 1986 | 2 | |
| Myers, Troy | Troy Myers | Actor | 2006 | 2 | 1 |
| Moore, Eva Mae | Eva Mae Moore | Actor | 1928 | 2 | |
| Mari, Febo | Febo Mari | Actor, Director | 1919 | 2 | |
| Mihályfi, Mihályfi | Mihályfi Mihályfi | Actor | 1889 - 1890 | 2 | |
| Morgen, Therese | Therese Morgen | Actor | 1916 - 1921 | 2 | |
| Michels, Hans Herbert | Hans Herbert Michels | Actor | 1934 - 1958 | 2 | |
| Mabusenko, V. | V. Mabusenko | Designer | 1999 - 2000 | 2 | |
| Musina, O. | O. Musina | Actor | 1999 - 2000 | 2 | |
| Markworth, Trevor | Trevor Markworth | Actor | 2000 - 2002 | 2 | |
| Malmierca, Álvaro | Álvaro Malmierca | Adaptation, Translator | 1999 | 2 | |
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