| Marsolek, George | George Marsolek | Designer | 2011 | 2 | |
| Marson, K. | K. Marson | Director | 1968 | 1 | |
| Marston, Brett | Brett Marston | Actor | 2000 | 1 | |
| Marston, Cathy | Cathy Marston | Adaptation, Choreographer | 2005 - 2008 | 6 | |
| Marston, Helen | Helen Marston | Actor | 1979 | 1 | |
| Marston, Theodore | Theodore Marston | Director | 1911 | 1 | |
| Marstrand, Günther | Günther Marstrand | Actor | 1921 | 1 | |
| Marstrander, Mona | Mona Marstrander | Designer | 1994 | 1 | |
| Marta, Darcy | Darcy Marta | Actor | 1998 | 1 | |
| Martblom, Runar | Runar Martblom | Actor | 1972 | 1 | |
| Martel, Chris | Chris Martel | Actor | 2021 | 1 | |
| Martel, Jenny | Jenny Martel | Actor | 1990 | 1 | |
| Martel, Mélanie | Mélanie Martel | Costume Designer | 1995 | 1 | |
| Martel, Nicolas | Nicolas Martel | Actor | 2012 | 11 | |
| Martell, Gillian | Gillian Martell | Actor | 1970 | 1 | |
| Martell, Patricia | Patricia Martell | Actor | 1963 | 1 | |
| Martelli, Arnaldo | Arnaldo Martelli | Actor | 1922 | 3 | |
| Martelli, Tina | Tina Martelli | Actor | 1993 | 1 | |
| Marten, Emma | Emma Marten | Actor | 1912 | 1 | |
| Marten, Hanna, von | Hanna von Marten | Actor | 1905 | 1 | |
| Marten, V. | V. Marten | Actor | 1946 | 1 | |
| Martens, Alma | Alma Martens | Actor | 1921 | 1 | |
| Martens, Camilla | Camilla Martens | Actor, Adaptation, Director | 1993 - 2006 | 3 | |
| Märtens, Eduard | Eduard Märtens | Designer | 1937 | 3 | |
| Martens, Eline | Eline Martens | Actor | 2013 | 1 | |
| Martens, Ernst | Ernst Martens | Actor | 1917 - 1938 | 4 | |
| Martens, Finja | Finja Martens | Actor | 2006 | 1 | |
| Martens, Max, Volkert | Max Volkert Martens | Actor | 1979 | 1 | |
| Martens, Patrick | Patrick Martens | Lighting Designer | 1996 | 1 | |
| Märtens, Willy | Willy Märtens | Actor | 1925 | 1 | |
| Mårtenson, Mona | Mona Mårtenson | Actor | 1924 - 1927 | 2 | |
| Mårtensson, Arne | Arne Mårtensson | Actor | 1967 | 1 | |
| Mårtensson, Johanna | Johanna Mårtensson | Costume Designer | 2013 | 1 | |
| Mårtensson, Klara | Klara Mårtensson | Actor | 2017 - 2020 | 4 | |
| Mårtensson, Lillemor | Lillemor Mårtensson | Actor | 1974 - 1975 | 2 | |
| Martersteig, Eva | Eva Martersteig | Actor | 1905 | 1 | |
| Martersteig, Max | Max Martersteig | Actor, Adaptation, Director | 1878 - 1918 | 16 | |
| Marth, Katharina | Katharina Marth | Costume Designer | 2019 | 1 | |
| Marth, Uschi | Uschi Marth | Actor | 1938 | 1 | |
| Mártha, István | István Mártha | Composer | 1991 | 1 | |
| Marthalamaki, Alexandra | Alexandra Marthalamaki | Actor | 2015 | 1 | |
| Marthinsen, Ada | Ada Marthinsen | Actor | 2017 - 2020 | 2 | |
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