| Masutani, Kyoko | Kyoko Masutani | Actor | 2008 | 2 | |
| Masuth, Christian | Christian Masuth | Designer, Translator | 1990 - 2001 | 4 | |
| Masuth, Leo | Leo Masuth | Actor | 1970 | 2 | |
| Masuth, Matthias | Matthias Masuth | Director | 1982 | 1 | |
| Masuyama, Yoshihiko | Yoshihiko Masuyama | Designer | 1967 | 1 | |
| Maszlay, István | István Maszlay | Actor | 2004 | 1 | |
| Maszyński, Mariusz | Mariusz Maszyński | Actor | 1920 | 1 | |
| Mata Ramos, Andrés | Andrés Mata Ramos | Director | 2008 | 1 | |
| Mata, Dina | Dina Mata | Designer | 1998 | 1 | |
| Mata, José | José Mata | Actor | 2022 | 2 | |
| Mata, Mike | Mike Mata | Director | 2006 | 1 | |
| Mata, Olga | Olga Mata | Actor | 2004 | 2 | |
| Matache, Ica | Ica Matache | Actor | 1957 - 1975 | 2 | |
| Matak, Josef | Josef Matak | Actor | 1960 | 1 | |
| Matalon, Muriel | Muriel Matalon | Actor | 1990 | 1 | |
| Matalon, Vivian | Vivian Matalon | Director | 1978 | 1 | 1 |
| Matalová, Eva | Eva Matalová | Actor | 1969 | 1 | |
| Matamoros, Diego | Diego Matamoros | Actor | 2005 - 2024 | 4 | 1 |
| Matány, Antal | Antal Matány | Actor | 1939 | 1 | |
| Matar, Jana Bou | Jana Bou Matar | Assistant Director | 2022 | 1 | |
| Matásek, David | David Matásek | Actor | 2006 | 1 | |
| Mátay, Livia | Livia Mátay | Designer | 1986 - 1988 | 2 | |
| Matcaboji, Mircea | Mircea Matcaboji | Designer | 1963 - 1974 | 5 | |
| Máté, Gábor | Gábor Máté | Actor | 2002 - 2014 | 8 | 1 |
| Mateescu, Luiza | Luiza Mateescu | Actor, Director | 2004 - 2009 | 3 | |
| Mateescu, Mia | Mia Mateescu | Actor | 1935 - 1937 | 2 | |
| Mateev, Aleksander | Aleksander Mateev | Lighting Designer | 2019 | 1 | |
| Matei, Almaya | Almaya Matei | Actor | 2005 | 1 | |
| Matei, Doina | Doina Matei | Sound Designer | 2005 | 1 | |
| Matei, Gelu | Gelu Matei | Choreographer | 1955 | 1 | |
| Matei, Iurie | Iurie Matei | Designer | 2006 | 2 | |
| Matejić, Milan | Milan Matejić | Actor | 1903 - 1918 | 3 | |
| Matĕjíček, Jiří | Jiří Matĕjíček | Dramaturg | 1973 | 1 | |
| Matĕjová, Libuše | Libuše Matĕjová | Actor | 1955 | 1 | |
| Matějovská, Ludmila | Ludmila Matějovská | Actor | 1905 - 1910 | 3 | |
| Matějovský, František | František Matějovský | Actor | 1897 - 1920 | 2 | |
| Matĕjovský, Jan | Jan Matĕjovský | Director | 1955 - 1958 | 2 | 1 |
| Mateka, Christoph | Christoph Mateka | Sound Designer | 2022 | 1 | |
| Matela, Kimberly | Kimberly Matela | Costume Designer | 2006 | 2 | |
| Matellano, Felipe | Felipe Matellano | Actor | 1991 | 1 | |
| Mateos, Carmen | Carmen Mateos | Costume Designer | 1998 | 2 | |
| Mateos, Héctor | Héctor Mateos | Actor | 1954 - 1956 | 2 | |
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