| Martelli, Arnaldo | Arnaldo Martelli | Actor | 1922 | 3 | |
| Márkus, László | László Márkus | Designer, Director, Translator | 1925 - 1948 | 3 | |
| Monck, Nugent | Nugent Monck | Director | 1925 - 1928 | 3 | 1 |
| Machat, Sidney | Sidney Machat | Actor | 1925 - 1926 | 3 | |
| Moulton, Harold | Harold Moulton | Actor | 1926 - 1929 | 3 | |
| Musäus, Peter | Peter Musäus | Actor | 1964 - 2015 | 3 | |
| Matic, Hans | Hans Matic | Actor | 1973 - 1983 | 3 | |
| Mogensen, Laura | Laura Mogensen | Actor | 1912 - 1928 | 3 | |
| Morgan, Primrose | Primrose Morgan | Actor | 1928 | 3 | |
| Madland, Anne, Karin | Anne Karin Madland | Actor | 1978 | 3 | |
| Mortensen, Aud | Aud Mortensen | Mask Maker | 1978 | 3 | |
| Mattishent, Gisela | Gisela Mattishent | Actor | 1970 - 1982 | 3 | 1 |
| Maraden, Marti | Marti Maraden | Actor, Director | 1973 - 2001 | 3 | 1 |
| Mynster, Karen-Lise | Karen-Lise Mynster | Actor, Director | 1990 - 2000 | 3 | 1 |
| Mukherjee, Arun | Arun Mukherjee | Actor, Composer, Director | 2004 | 3 | |
| Maßel, Helmut | Helmut Maßel | Actor, Director | 1974 - 1992 | 3 | |
| Müller, Christa | Christa Müller | Actor, Costume Designer, Dramaturg | 1956 - 1980 | 3 | |
| Moore, Mabel | Mabel Moore | Actor | 1927 - 1937 | 3 | 1 |
| Monroe, Frank | Frank Monroe | Actor | 1928 - 1929 | 3 | |
| McCarthy, Julia | Julia McCarthy | Actor | 1958 - 1970 | 3 | |
| Mayer, Michaela | Michaela Mayer | Costume Designer | 1978 - 1989 | 3 | |
| Maynard, Anita | Anita Maynard | Actor | 1974 - 1977 | 3 | |
| Morgan, Robert | Robert Morgan | Costume Designer | 1974 - 1979 | 3 | |
| Magee, Patrick | Patrick Magee | Actor | 1959 - 1974 | 3 | |
| Meltzer, Hermann | Hermann Meltzer | Actor | 1893 - 1905 | 3 | |
| McKenzie, Sandra | Sandra McKenzie | Actor, Composer | 1961 - 1976 | 3 | |
| Mellies, Otto | Otto Mellies | Actor | 1975 - 1991 | 3 | |
| Mattes, Eva | Eva Mattes | Actor | 1973 - 1975 | 3 | 1 |
| Meußling, Sabine | Sabine Meußling | Actor | 2013 - 2014 | 3 | |
| Marshall, E.G. | E.G. Marshall | Actor | 1960 - 1980 | 3 | 1 |
| Marshall, Peggy | Peggy Marshall | Actor | 1975 - 1979 | 3 | |
| Mücke, Annelies | Annelies Mücke | Actor | 1961 - 1973 | 3 | |
| Müller, Hans-Reinhard | Hans-Reinhard Müller | Actor, Director | 1975 - 1979 | 3 | 1 |
| Matousch, Stefan | Stefan Matousch | Actor | 2006 - 2015 | 3 | |
| Massara, Pino | Pino Massara | Composer | 1975 - 1976 | 3 | |
| Monteiro, Luís, de Sttau | Luís de Sttau Monteiro | Adaptation, Director, Translator | 1972 | 3 | |
| Mercatali, Magda | Magda Mercatali | Actor | 1969 - 1981 | 3 | |
| Maxence, Pierre | Pierre Maxence | Actor, Director, Translator | 1972 - 1976 | 3 | |
| Maltagliati, Evi | Evi Maltagliati | Actor | 1951 - 1972 | 3 | |
| Momme, Anders | Anders Momme | Actor | 2013 | 3 | |
| Mehabil, Lila, Nobel | Lila Nobel Mehabil | Actor | 2013 | 3 | |
| Meinhardt, Thomas | Thomas Meinhardt | Actor | 1981 - 2010 | 3 | 1 |
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