| Merbek, Silvia, | Silvia Merbek | Actor | 1948 | 1 | |
| Merbek, Elisabeth, | Elisabeth Merbek | Actor | 1948 | 1 | |
| Messemer, Hans, | Hans Messemer | Actor | 1949 | 1 | |
| Mühlen, Elisabeth, | Elisabeth Mühlen | Actor | 1949 | 2 | |
| Maschmeier, Werner, | Werner Maschmeier | Actor | 1949 | 2 | |
| Maier, Anni, | Anni Maier | Actor | 1949 | 1 | |
| Mottoni, Erich, | Erich von Mottoni (Erich Mottoni) | Actor | 1949 - 1953 | 3 | |
| Maximowna, Ita, | Ita Maximowna | Costume Designer, Designer | 1949 | 10 | |
| Moos, Trude, | Trude Moos | Actor | 1950 | 1 | |
| Makri, Spiro, | Spiro Makri | Actor | 1950 | 1 | |
| Michutta, Emil, | Emil Michutta | Actor | 1950 | 1 | |
| Miedel, Klaus, | Klaus Miedel | Actor | 1950 | 2 | |
| Matter, Ernst Ludwig, | Ernst Ludwig Matter | Actor | 1950 | 1 | |
| Murauer, Emma, | Emma Murauer | Actor | 1936 - 1962 | 7 | |
| Morozowicz, Henryk, | Henryk Morozowicz | Actor, Director | 1900 | 2 | |
| Meltzer, Charles Henry, | Charles Henry Meltzer (Charles Henry Meltzer) | Director | 1900 | 1 | |
| Massenet, Jules, | Jules Massenet | Composer | 1900 | 4 | |
| Mann-Bouwmeester, Theo, | Theo Mann-Bouwmeester | Actor | 1900 | 5 | |
| Munt, E., | E. Munt | Actor | 1900 - 1924 | 5 | |
| Meyerhold, Vsévolod Èmíl'evič | Vsévolod Èmíl'evič Meyerhold (Vsévolod Èmíl'evič Meyerhold) | Actor, Adaptation, Designer, Director | 1900 - 1924 | 37 | |
| Massalitinov, N., | Nikolaj O. Massalitinov (N. Massalitinov) | Actor, Director | 1900 - 1930 | 10 | |
| Miarczyński, Włodzimierz, | Włodzimierz Miarczyński | Actor | 1901 - 1913 | 5 | |
| Micińska, Wanda, | Wanda Micińska | Actor | 1901 | 1 | |
| Mandrovitsch, Adam, | Adam Mandrovitsch | Director | 1901 | 1 | |
| Maltby, Charles, | Charles Maltby | Actor | 1901 | 1 | |
| Marcus, Ethel, | Ethel Marcus | Actor | 1901 | 1 | |
| Morel, Emma, | Emma Morel | Actor | 1901 | 2 | |
| Muratova, E., | E. Muratova | Actor | 1900 | 2 | |
| Mihályfi, -, | - Mihályfi | Actor | 1901 | 1 | |
| Møller, Mimi, | Mimi Møller | Actor | 1901 | 6 | |
| Malmgreen, Olaf, | Olaf Malmgreen | Actor | 1901 | 6 | |
| Mølbach, Christian, | Christian Mølbach | Actor | 1901 | 1 | |
| Madsen, Anna, | Anna Madsen | Actor | 1901 - 1904 | 2 | |
| Mietle, Benny, | Benny Mietle | Actor | 1901 | 1 | |
| Markellos, Spyros, | Spyros Markellos | Translator | 1901 - 1915 | 18 | |
| Myrat, Mitsos, | Mitsos Myrat | Actor | 1901 - 1921 | 15 | |
| Morozowicz, Rufin(?), | Rufin(?) Morozowicz | Actor | 1901 - 1902 | 1 | |
| Marko, (?), | (?) Marko | Actor | 1901 - 1903 | 2 | |
| Matuszewski, -, | - Matuszewski | Actor | 1901 - 1902 | 1 | |
| Morzkowski, -, | - Morzkowski | Actor | 1901 - 1902 | 1 | |
| Mielnicki, Józef, | Józef Mielnicki | Actor | 1902 - 1909 | 2 | |
| Miciński, Stanisław, | Stanisław Miciński | Actor | 1902 - 1912 | 3 | |
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Contributors
