| McLean, Scott | Scott McLean | Director | 1936 | 2 | |
| Myers, Selwyn | Selwyn Myers | Actor | 1936 | 2 | |
| Maister, Nigel | Nigel Maister | Designer, Director | 1999 | 2 | |
| Maassen, Michael | Michael Maassen | Actor | 1999 - 2000 | 2 | |
| Martini, Luca | Luca Martini | Actor | 1999 | 2 | |
| Miranda, Pia | Pia Miranda | Actor | 1999 | 2 | 1 |
| Melletin, Birgitte | Birgitte Melletin | Costume Designer, Designer | 1999 | 2 | 1 |
| Messerer, Boris | Boris Messerer | Designer | 1978 - 1999 | 2 | |
| McCulloch, Kate | Kate McCulloch | Actor | 1999 | 2 | |
| MacLennan, Jennifer | Jennifer MacLennan | Actor | 1999 | 2 | |
| Matthies, Polly | Polly Matthies | Costume Designer | 1993 - 1999 | 2 | |
| Murzeau, Robert | Robert Murzeau | Actor | 1937 | 2 | |
| Monfort, Silvia | Silvia Monfort | Actor | 1976 - 1977 | 2 | |
| Meyer, Sandra | Sandra Meyer | Actor | 2000 - 2001 | 2 | |
| Motz, Paul | Paul Motz | Lighting Designer, Sound Designer | 1939 | 2 | |
| Mayer, Elise | Elise Mayer | Actor | 1914 - 1916 | 2 | |
| Mastoras, Michalis | Michalis Mastoras | Actor | 1939 | 2 | |
| Meyer, Franz | Franz Meyer | Actor | 1922 | 2 | |
| Murhammer, Elly | Elly Murhammer | Actor | 1923 - 1925 | 2 | |
| Marsh, Margaret | Margaret Marsh | Actor | 1940 | 2 | |
| Morgan, Janet | Janet Morgan | Actor | 1940 | 2 | |
| Markus, Aline | Aline Markus | Actor | 1940 | 2 | |
| Murray, Alice | Alice Murray | Actor, Dancer | 1940 | 2 | |
| Maynard, Patricia | Patricia Maynard | Actor | 1940 | 2 | |
| Maynard, Margaret, Mary | Margaret Mary Maynard | Actor | 1940 | 2 | |
| Medlin, Charles | Charles Medlin | Actor | 1942 | 2 | |
| Morar, Vlad | Vlad Morar | Actor | 2016 | 2 | |
| Moya, Nathalie | Nathalie Moya | Actor | 1942 | 2 | |
| Manole, Marius | Marius Manole | Actor | 2014 - 2024 | 2 | |
| Martinelli, Anna | Anna Martinelli | Actor | 1903 - 1920 | 2 | |
| Mackay, Weyman | Weyman Mackay | Actor | 1944 | 2 | |
| Milling, Einar | Einar Milling | Actor | 1944 | 2 | |
| Marosszéki, Tamás | Tamás Marosszéki | Actor | 2014 | 2 | |
| Móréh, Zsolt | Zsolt Móréh | Lighting Designer | 2013 | 2 | |
| Moryciński, Hugon | Hugon Moryciński | Director | 1946 | 2 | |
| Morgan, Rosanne | Rosanne Morgan | Actor | 1946 | 2 | |
| Moore, Mary | Mary Moore | Actor | 1946 | 2 | |
| Martinez, Daniela | Daniela Martinez | Actor | 2017 | 2 | |
| Moore, Mary, Alice | Mary Alice Moore | Actor | 1946 | 2 | |
| Moore, Stanley | Stanley Moore | Costume Designer, Designer | 1947 | 2 | |
| Murphy, John | John Murphy | Actor | 1947 | 2 | |
| Mannering, Peter | Peter Mannering | Actor | 1947 | 2 | |
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