| Masson, Gust | Gust Masson | Mask Maker | 1956 - 1957 | 3 | |
| Maeremans, G. | G. Maeremans | Actor | 1956 - 1957 | 3 | |
| Mertens, J. | J. Mertens | Actor | 1956 - 1957 | 3 | |
| Mercs, Ēvalds | Ēvalds Mercs | Actor, Director | 1941 - 1956 | 3 | |
| Malmberg, Otto | Otto Malmberg | Actor | 1952 - 1955 | 3 | |
| Merkouri, Melina | Melina Merkouri | Actor | 1949 - 1955 | 3 | |
| Müller, Hans Bernd | Hans Bernd Müller | Director | 1953 | 3 | |
| Martienzen, Gerd | Gerd Martienzen | Actor | 1953 | 3 | |
| Mjøen, Jon, Lennart | Jon Lennart Mjøen | Actor | 1942 - 2006 | 3 | |
| Malmqvist, Sandro | Sandro Malmqvist | Designer, Director | 1952 | 3 | |
| Montgomery, Douglass | Douglass Montgomery | Actor, Adaptation | 1932 - 1951 | 3 | |
| Markus, Sami | Sami Markus | Actor | 1998 | 3 | |
| Morgan, Miles | Miles Morgan | Actor, Lighting Designer | 1949 - 1950 | 3 | |
| Mayne, Ronald | Ronald Mayne | Actor | 1960 | 3 | |
| Madison, Deborah | Deborah Madison | Actor | 1963 | 3 | |
| Metsar, Ester | Ester Metsar | Actor | 1962 | 3 | |
| Montgomery, Mr. | Mr. Montgomery | Actor | 1892 | 3 | |
| Margetts, Monty | Monty Margetts | Actor | 1931 - 1936 | 3 | |
| McGivern, Cecil, J. | Cecil J. McGivern | Actor | 1931 - 1933 | 3 | |
| Marinakis, Giannis | Giannis Marinakis | Actor | 1931 - 1935 | 3 | |
| Matilainen, Tarja | Tarja Matilainen | Actor | 1998 | 3 | |
| Myllyselkä, Ari | Ari Myllyselkä | Actor | 1998 | 3 | |
| Muir, Douglas | Douglas Muir | Actor | 1933 - 1936 | 3 | |
| Muir, Alec | Alec Muir | Actor | 1933 - 1936 | 3 | |
| March, Elspeth | Elspeth March | Actor | 1934 - 1935 | 3 | |
| Menges, Herbert | Herbert Menges | Conductor | 1935 - 1944 | 3 | |
| Marvin, Betsy | Betsy Marvin | Actor | 1935 | 3 | |
| Maurset, Jørund | Jørund Maurset | Dancer | 1936 - 1939 | 3 | |
| Mierbeth, Gerry | Gerry Mierbeth | Choreographer, Director, Dramaturg | 1999 | 3 | |
| Misirianțu, Sorin | Sorin Misirianțu | Actor, Director, Musician | 2016 | 3 | |
| Miranda, Marina | Marina Miranda | Actor, Costume Designer, Designer | 1977 | 3 | |
| Marsden, Robert | Robert Marsden | Actor | 1945 | 3 | |
| Martinovic, Bojan | Bojan Martinovic | Musician | 2000 - 2001 | 3 | |
| McGee, Marie | Marie McGee | Actor | 1947 | 3 | |
| Mattsson, Barbara | Barbara Mattsson | Mask Maker | 2000 | 3 | |
| Mazza, Hugo | Hugo Mazza | Designer | 1973 - 1976 | 3 | |
| Meyer, Ms. | Ms. Meyer | Actor | 1878 - 1893 | 3 | |
| Ma, Wenliang | Wenliang Ma | Actor | 2017 | 3 | |
| Melchthal, Juliane | Juliane Melchthal | Actor | 1986 | 3 | |
| Motta, Gilson | Gilson Motta | Adaptation, Costume Designer, Translator | 1991 | 3 | |
| Mödlinger, Elisabeth | Elisabeth Mödlinger | Actor | 1911 | 3 | |
| Mellin, Frk. | Frk. Mellin | Actor | 1880 | 3 | |
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