| Matschuck, Rainer | Rainer Matschuck | Actor | 1973 - 2011 | 4 | 2 |
| Matsui, Suma, | Suma Matsui | Actor | 1911 - 1912 | 4 | |
| Matzen, Volkert | Volkert Matzen | Actor | 1985 - 1997 | 4 | |
| Mauer, Lubo | Lubo Mauer | Producer, Translator | 1975 - 1976 | 4 | |
| Mayer, Agda, | Agda Mayer | Actor | 1878 - 1887 | 4 | |
| McClure, Keven | Keven McClure | Actor | 1944 - 1945 | 4 | |
| McKintosh, Peter, | Peter McKintosh | Designer | 2003 - 2007 | 4 | |
| Meixner, Karl, | Karl Meixner | Actor | 1928 - 1975 | 4 | |
| Melbourne, Dale | Dale Melbourne | Actor | 1944 - 1945 | 4 | |
| Meraj, Salim, | Salim Meraj | Actor | 2006 - 2012 | 4 | |
| Messana, Maurizio, | Maurizio Messana | Adaptation, Director | 1996 | 4 | |
| Mete, Marco | Marco Mete | Actor | 1999 - 2000 | 4 | |
| Meyer, Hartmut | Hartmut Meyer | Designer | 1985 - 1994 | 4 | |
| Mezey, Lajos | Lajos Mezey | Actor | 1947 - 1991 | 4 | |
| Mihályfi, Károly, | Károly Mihályfi | Actor | 1914 - 1927 | 4 | |
| Miller, Manfred, | Manfred Miller | Designer | 1947 - 1963 | 4 | |
| Milotová, Bárbora | Bárbora Milotová | Actor | 2004 - 2005 | 4 | |
| Miura, Chieko | Chieko Miura | Actor | 1999 - 2002 | 4 | |
| Mladeck, Kyra | Kyra Mladeck | Actor | 1971 - 2003 | 4 | |
| Modugno, Lodovica, | Lodovica Modugno | Actor | 1969 - 1974 | 4 | |
| Mori, Eijiro, | Eijiro Mori | Actor | 1911 - 1912 | 4 | |
| Moszkowicz, Imo | Imo Moszkowicz | Director | 1964 - 1965 | 4 | |
| Mufti, Uns, | Uns Mufti | Composer | 2006 - 2012 | 4 | |
| Muller, Myriam, | Myriam Muller | Actor | 2000 - 2020 | 4 | |
| Müller, Elisabeth, | Elisabeth Müller | Actor | 1946 - 1975 | 4 | |
| Müller, Erna, | Erna Müller | Actor | 1894 - 1904 | 4 | |
| Müller, Hilde, | Hilde Müller | Actor | 1909 - 1927 | 4 | |
| Müller, Poul | Poul Müller | Actor | 1943 - 1974 | 4 | |
| Mundrawala, Asma, | Asma Mundrawala | Actor | 2006 - 2012 | 4 | |
| Myles, Chris | Chris Myles | Actor | 2008 | 4 | |
| McDonald, Frank | Frank McDonald | Actor | 1971 - 1985 | 4 | |
| Müller, -, | - Müller | Actor | 1903 - 1918 | 4 | |
| Möser, Nicola | Nicola Möser | Costume Designer | 2005 | 4 | |
| Mădescu, Mihai | Mihai Mădescu | Costume Designer, Designer | 1972 - 1992 | 4 | |
| Muire, Frk., | Frk. Muire | Actor | 1889 - 1890 | 4 | |
| Marengo, Bruno | Bruno Marengo | Actor | 1997 | 4 | |
| Marengo, Maria | Maria Marengo | Actor | 1997 | 4 | |
| Maslo, Arthur | Arthur Maslo | Actor | 1997 | 4 | |
| Moor, Louis B. J., | Louis B. J. Moor (Louis B. J. Moor) | Actor, Director | 1880 - 1891 | 4 | |
| Montenegro, Ira | Ira Montenegro | Lighting Designer | 1988 - 1989 | 4 | |
| Melander, Nils | Nils Melander | Actor | 2001 | 4 | |
| Minkus, Hannelore | Hannelore Minkus | Actor | 1953 - 1954 | 4 | |
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