| MacMillan, Ernest | Ernest MacMillan | Conductor, Musical Director | 1930 | 2 | |
| Macmillan, Duncan | Duncan Macmillan | Adaptation | 2023 - 2024 | 5 | |
| MacMillan, Beryl | Beryl MacMillan | Actor | 1947 | 2 | |
| MacMath, Danielle | Danielle MacMath | Actor | 2018 - 2023 | 2 | |
| MacMahon, Rachel | Rachel MacMahon | Actor | 1983 | 1 | |
| MacMahon, Jacob | Jacob MacMahon | Actor | 1983 | 1 | |
| MacMahon, Connor | Connor MacMahon | Photographer | 2022 | 1 | |
| Maclyn, Margaret Maclyn | Margaret Maclyn | Actor | 1905 | 1 | |
| MacLiammoir, Nick | Nick MacLiammoir | Lighting Designer | 1993 | 3 | |
| MacLiammóir, Micheál | Micheál MacLiammóir | Actor, Costume Designer, Designer | 1928 - 1955 | 20 | 1 |
| MacLeod, Kevin | Kevin MacLeod | Composer | 2009 | 1 | |
| Macleod, Katie | Katie Macleod | Actor | 1970 | 1 | |
| Macleod, Joseph, Gordon | Joseph Gordon Macleod | Actor | 1931 | 1 | |
| Macleod, John | John Macleod | Actor | 1968 | 1 | |
| MacLeod, Charles R. | Charles R. MacLeod | Lighting Designer | 2005 | 1 | |
| Macleod, Barbara | Barbara Macleod | Actor | 1935 - 1936 | 2 | |
| MacLennan, Jennifer | Jennifer MacLennan | Actor | 1999 | 2 | |
| Maclean, John | John Maclean | Actor | 1884 | 1 | 1 |
| MacLean, Frazer | Frazer MacLean | Actor | 1964 | 1 | 1 |
| Maclean, Calvin | Calvin Maclean | Director | 1980 | 1 | 1 |
| Maclean, Annie | Annie Maclean | Actor | 1884 | 1 | 1 |
| MacLean, Alix | Alix MacLean | Actor | 1978 | 1 | |
| Maclean, Deb | Deb Maclean | Actor | 2023 | 1 | |
| MacLean Wagner, Daniel | Daniel MacLean Wagner | Lighting Designer | 2006 | 2 | |
| MacLaughlin, Garrett | Garrett MacLaughlin | Actor | 2017 | 1 | |
| MacLarnie, Thomas | Thomas MacLarnie | Actor | 1907 | 1 | |
| MacLaren, James | James MacLaren | Actor | 2007 | 1 | |
| MacLaren, Ian | Ian MacLaren | Actor | 1911 | 1 | |
| Maćkowiak, Janusz | Janusz Maćkowiak | Composer | 1957 | 1 | |
| Macko, Peter | Peter Macko | Actor | 1983 | 1 | |
| Mackmin, Scarlett | Scarlett Mackmin | Choreographer | 2004 | 7 | |
| Mackmin, Anna | Anna Mackmin | Director | 2007 - 2012 | 3 | 1 |
| Macklin, Ouida | Ouida Macklin | Actor | 1909 | 2 | 1 |
| Macklin, Kersti | Kersti Macklin | Musician | 1991 | 1 | |
| Macklin, Aziza | Aziza Macklin | Actor | 2020 | 1 | |
| Mackley, Philip | Philip Mackley | Actor | 1976 | 1 | |
| Mackintosh, Duncan | Duncan Mackintosh | Actor | 2011 | 1 | |
| Mackie, Pippa | Pippa Mackie | Actor | 2011 | 1 | |
| Mackie, Christopher | Christopher Mackie | Actor | 1999 | 5 | |
| Mackey, Nancy | Nancy Mackey | Actor | 1990 | 5 | |
| Mackey, Karl | Karl Mackey | Director | 1973 | 1 | |
| Mackeson, Victor | Victor Mackeson | Actor | 1981 | 1 | |
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