| Marchetto, Wolfgang | Wolfgang Marchetto | Actor | 2001 | 2 | |
| Marchi, Keetin | Keetin Marchi | Actor | 2008 | 1 | |
| Marchi, Luiz | Luiz Marchi | Lighting Designer | 1969 | 2 | |
| Marchidan, Ioana | Ioana Marchidan | Choreographer | 2015 - 2024 | 7 | |
| Marchini, Bruno | Bruno Marchini | Costume Designer | 2014 - 2015 | 2 | |
| Marchioni, Vinicio | Vinicio Marchioni | Actor | 2002 - 2005 | 16 | |
| Marchionne, Claire | Claire Marchionne | Actor | 1994 - 1995 | 4 | |
| Marchiş, Răzvan | Răzvan Marchiş | Actor | 2010 | 1 | |
| Marci, Mia | Mia Marci | Actor | 2004 | 1 | |
| Marcial, Eve | Eve Marcial | Sound Designer | 1976 | 1 | |
| Marciano, Eric | Eric Marciano | Producer | 2009 | 1 | |
| Marcilly, Marie | Marie Marcilly | Actor | 1899 | 1 | |
| Marcin, Marilyn | Marilyn Marcin | Actor | 1966 | 1 | |
| Marciniakówna, Anna | Anna Marciniakówna | Translator | 2006 - 2024 | 36 | 1 |
| Marcks, Albrecht | Albrecht Marcks | Director | 1876 - 1890 | 5 | |
| Marcks, Auguste | Auguste Marcks | Actor | 1896 - 1909 | 4 | |
| Marcks, Fritz | Fritz Marcks | Actor | 1938 | 1 | |
| Marco, Lluis | Lluis Marco | Actor | 2017 - 2020 | 2 | |
| Marco, Nelly | Nelly Marco | Actor | 1915 | 1 | |
| Marcó, Soledad | Soledad Marcó | Actor | 1943 | 1 | |
| Marcondes, Daniel | Daniel Marcondes | Actor | 2008 | 1 | |
| Marcondes, Noêmia | Noêmia Marcondes | Actor | 1965 | 2 | |
| Marconi, Claudio | Claudio Marconi | Actor | 1986 | 2 | |
| Marcopol, Athena | Athena Marcopol | Actor | 1944 - 1945 | 2 | |
| Marcos, Claude | Claude Marcos | Designer | 2009 | 1 | |
| Marcos, David | David Marcos | Actor | 1971 | 1 | |
| Marcovici, Carol | Carol Marcovici | Actor | 1972 | 2 | |
| 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 | 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 | Actor | 1985 - 1986 | 3 | |
| Marcussen, Yngve | 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 | Actor | 2006 | 1 | |
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