| Muggli, Natalina | Natalina Muggli | Actor | 2016 | 3 | |
| Mackenbrock, Tim | Tim Mackenbrock | Actor | 2016 | 3 | |
| McArdle, James | James McArdle | Actor | 2011 - 2019 | 3 | |
| Mărutză , George | George Mărutză | Actor | 1932 | 3 | |
| Masterson, Carl | Carl Masterson | Actor | 2016 - 2020 | 3 | |
| Munso, Felix | Felix Munso | Actor | 1963 | 3 | |
| McCarthy, Michael | Michael McCarthy | Composer, Dramaturg | 2012 - 2020 | 3 | |
| Murray, June | June Murray | Actor | 1957 - 1961 | 3 | |
| Mousouri, Rita | Rita Mousouri | Actor | 1961 - 1990 | 3 | |
| Mitchel, Charles | Charles Mitchel | Actor | 1947 - 1961 | 3 | |
| Michaels, Jeremy | Jeremy Michaels | Actor, Composer | 2011 - 2013 | 3 | |
| Mestrovic, Sarah | Sarah Mestrovic | Actor | 2011 | 3 | |
| Manni, Nicoletta | Nicoletta Manni | Actor | 2011 | 3 | |
| Munoz, Natalia | Natalia Munoz | Actor | 2011 | 3 | |
| Males, Sacha | Sacha Males | Actor | 2011 | 3 | |
| McLaughlin, William | William McLaughlin | Actor | 1959 | 3 | |
| Meyer, Roald | Roald Meyer | Actor | 1954 | 3 | |
| Murphy, Brian | Brian Murphy | Actor | 1958 | 3 | |
| Martin, Serge | Serge Martin | Actor | 2013 | 3 | |
| Matthiessen, Ingrid | Ingrid Matthiessen | Actor | 1956 - 2003 | 3 | |
| Morin, Pierre | Pierre Morin | Actor | 1933 | 3 | |
| Manta, Ion | Ion Manta | Actor | 1943 | 3 | |
| Masson, Gust | Gust Masson | Mask Maker | 1956 | 3 | |
| Maeremans, G. | G. Maeremans | Actor | 1956 | 3 | |
| Mertens, J. | J. Mertens | Actor | 1956 | 3 | |
| Mercs, Ēvalds | Ēvalds Mercs | Actor, Director | 1941 | 3 | |
| Malmberg, Otto | Otto Malmberg | Actor | 1952 | 3 | |
| Merkouri, Melina | Melina Merkouri | Actor | 1949 | 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 - 1947 | 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 - 1932 | 3 | |
| McGivern, Cecil, J. | Cecil J. McGivern | Actor | 1931 - 1933 | 3 | |
| Marinakis, Giannis | Giannis Marinakis | Actor | 1931 - 1935 | 3 | |
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Contributors
