| Madeira, Rui | Rui Madeira | Designer, Director | 2002 - 2023 | 18 | |
| Madeira, Marcia | Marcia Madeira | Lighting Designer | 1981 | 1 | |
| Maddox, Gloria | Gloria Maddox | Actor | 1972 | 1 | |
| Maddox, Diana | Diana Maddox | Actor | 1944 - 1957 | 3 | |
| Maddox, Chris Erric | Chris Erric Maddox | Actor | 2002 | 5 | |
| Maddock, S.W. | S. W. Maddock (S.W. Maddock) | Actor | 1897 | 1 | |
| Maddock, Margaret | Margaret Maddock | Actor | 1993 | 1 | |
| Maddock, Lily | Lily Maddock | Actor | 1897 | 1 | |
| Maddison, John | John Maddison | Actor | 1974 | 1 | |
| Maddison, Diana | Diana Maddison | Actor | 2012 | 1 | |
| Maddigan, Angie | Angie Maddigan | Actor | 2004 - 2005 | 5 | |
| Maddern, Mrs. Will | Mrs. Will Maddern | Actor | 1906 | 1 | |
| Maddern, Merle | Merle Maddern | Actor | 1910 - 1948 | 5 | 1 |
| Maddern, Mary | Mary Maddern | Actor | 1902 - 1908 | 10 | 1 |
| Madder, Leo | Leo Madder | Actor | 1992 - 1998 | 2 | |
| Madden, Will | Will Madden | Actor | 2003 | 1 | |
| Madden, Will | Will Madden | Actor | 2013 | 1 | |
| Madden, Sharon | Sharon Madden | Actor | 1973 | 1 | |
| Madden, Sarah | Sarah Madden | Actor | 2018 | 1 | |
| Madden, Matt | Matt Madden | Actor | 2013 | 1 | |
| Madden, Mark | Mark Madden | Actor | 1951 | 1 | |
| Madden, John | John Madden | Director | 1982 | 1 | 1 |
| Madden, Jeff | Jeff Madden | Director | 2019 | 1 | |
| Madden, James | James Madden | Actor | 1960 | 1 | |
| Madden, Donald | Donald Madden | Actor | 1971 | 2 | 1 |
| Madden, Dennis | Dennis Madden | Actor | 1969 | 1 | |
| Madden, Angela | Angela Madden | Actor | 2004 | 1 | |
| Maddalena, Sara | Sara Maddalena | Director | 2005 - 2006 | 2 | |
| Maddah, Hamzeh | Hamzeh Maddah | Actor | 2021 | 1 | |
| Maday, Emőke | Emőke Maday | Actor | 1982 | 1 | |
| Madaus, Gerda | Gerda Madaus | Actor | 1926 | 1 | |
| Madaula, Ramon | Ramon Madaula | Actor | 1984 | 1 | |
| Madaula Canadell, Josep | Josep Madaula Canadell | Designer | 1988 | 1 | |
| Madarro, Nella | Nella Madarro | Dancer | 2012 - 2020 | 2 | |
| Madaras, Gergely | Gergely Madaras | Musical Director | 2014 | 1 | |
| Madár, Zoltán, K. | Zoltán K. Madár | Actor | 2014 | 1 | |
| Madaj, Rita | Rita Madaj | Actor | 1949 | 1 | |
| Maczonkai, József | József Maczonkai | Actor | 1927 - 1928 | 9 | 1 |
| Maczka, Bonnie | Bonnie Maczka | Actor | 2003 | 1 | |
| Maczey, Lisa | Lisa Maczey | Actor | 1992 | 1 | |
| Macy, William, Hall | William Hall Macy | Actor | 1979 | 1 | |
| MacVittie, Bruce | Bruce MacVittie | Actor | 2003 | 1 | |
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