| Mărculescu, Adela | Adela Mărculescu | Actor | 1957 | 1 | |
| Mărculescu, Domniţa | Domniţa Mărculescu | Actor | 1968 - 1969 | 2 | |
| Mărculescu, Grigore | Grigore Mărculescu | Actor | 1920 - 1932 | 4 | |
| Marcum, Eric | Eric Marcum | Sound Designer | 2009 | 1 | |
| Marcum, Quince | Quince Marcum | Actor | 1997 | 2 | |
| Marcus, Edgar M. | Edgar M. Marcus | Actor | 1986 - 2009 | 3 | |
| Marcus, Ethel | Ethel Marcus (Ethel Marcus) | Actor | 1901 | 1 | |
| Marcus, Joan | Joan Marcus | | | | 6 |
| Marcus, Valerie | Valerie Marcus | Costume Designer | 2002 | 1 | |
| Marcussen, Michael | Michael Marcussen | Actor | 1980 | 1 | |
| Marcussen, Roy | Roy Marcussen (Roy Marcussen) | Actor | 1985 - 1986 | 3 | |
| Marcussen, Yngve | Yngve Marcussen (Yngve Marcussen) | Director, Dramaturg | 2012 - 2015 | 6 | |
| Marczis, Demeter | Demeter Marczis | Actor | 1988 | 1 | |
| Mård, Tommy | Tommy Mård | Actor | 1974 - 1975 | 2 | |
| Mardal, Kristina | Kristina Mardal (Kristina Mardal) | Actor | 2006 | 1 | |
| Mardale, W. W. | W. W. Mardale | Actor | 1890 | 1 | |
| Mardik, Ian | Ian Mardik | Actor | 1958 | 1 | |
| Mardikes, Tom | Tom Mardikes | Sound Designer | 1999 | 1 | |
| Mardžanov, Konstantin | Konstantin Mardžanov | Director | 1912 | 1 | |
| Mardzoeki, Faiza | Faiza Mardzoeki | Adaptation, Translator | 2011 | 2 | |
| Maré, Quentin | Quentin Maré | Actor | 2000 | 1 | |
| Maré, Vilma | Vilma Maré | Costume Designer | 2003 | 1 | |
| Mareček, Ladislav | Ladislav Mareček | Actor | 1969 | 1 | |
| Mareček, Radek | Radek Mareček | Actor | 2000 | 1 | |
| Maréchal, Emilie | Emilie Maréchal | Actor | 2016 | 1 | |
| Marecka, Teresa | Teresa Marecka | Actor | 1971 | 1 | |
| Marečková, Tereza | Tereza Marečková | Adaptation, Dramaturg | 2010 - 2011 | 10 | |
| Mareich, Helmi | Helmi Mareich | Actor | 1950 - 1962 | 4 | |
| Marek, František | František Marek | Actor | 2011 | 1 | |
| Marek, Linda | Linda Marek | Actor | 2013 | 1 | |
| Marek, Michaela | Michaela Marek | Actor | 2001 - 2004 | 4 | |
| Marek, Simone | Simone Marek | Actor | 2001 - 2004 | 4 | |
| Marele, Adrian | Adrian Marele | Actor | 2016 - 2018 | 5 | |
| Marell, - | - Marell | Actor | 1909 | 1 | |
| Marell, Sonja | Sonja Marell | Actor | 1962 | 1 | |
| Marelli, Marco, Arturo | Marco Arturo Marelli | Designer | 1976 | 1 | |
| Maren, Charlotte | Charlotte Maren (Charlotte Maren) | Actor | 1914 | 1 | |
| Maren, Gerda | Gerda Maren | Actor | 1962 | 1 | |
| Marenbach, Leny | Leny Marenbach (Leny Marenbach) | Actor | 1934 | 1 | |
| Marencke, Robert | Robert Marencke | Actor | 1965 - 1970 | 2 | |
| Marenco, Anne | Anne Marenco | Actor | 1990 | 1 | |
| Marengo, Bruno | Bruno Marengo (Bruno Marengo) | Actor | 1997 | 4 | |
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