| McLaren, Robert | Robert McLaren | Director, Lighting Designer | 2006 - 2010 | 6 | |
| McLarnon, Patrick | Patrick McLarnon | Actor | 1961 | 1 | |
| McLaughlin, Caitriona | Caitriona McLaughlin | Director | 2011 | 1 | |
| McLaughlin, Ellen | Ellen McLaughlin | Actor | 2004 | 1 | |
| McLaughlin, Jack | Jack McLaughlin | Actor | 1978 | 1 | |
| McLaughlin, Kat | Kat McLaughlin | Designer | 2022 | 1 | |
| McLaughlin, Robin | Robin McLaughlin | Costume Designer | 2004 | 1 | |
| McLaughlin, William | William McLaughlin | Actor | 1959 | 3 | |
| McLay, Fiona | Fiona McLay | Actor | 1984 | 1 | |
| McLean, Carrie | Carrie McLean | Actor | 2000 | 1 | |
| McLean, J.C. | J. C. McLean (J.C. McLean) | Actor | 1909 | 2 | |
| McLean, Kara | Kara McLean | Actor | 2004 | 1 | |
| McLean, Lorna | Lorna McLean | Actor, Choreographer | 1930 | 2 | |
| McLean, Scott | Scott McLean | Director | 1936 | 2 | |
| McLeish, Kenneth | Kenneth McLeish | Adaptation, Translator | 1990 - 2015 | 35 | 1 |
| McLellan, Kenny | Kenny McLellan | Designer | 2014 - 2015 | 2 | |
| McLendon, Errol | Errol McLendon | Actor | 2009 | 1 | |
| McLenigan, Jered | Jered McLenigan | Actor | 2005 | 1 | |
| McLeod, Alison | Alison McLeod | Sound Designer | 2009 | 1 | |
| McLeod, Kenn | Kenn McLeod | Lighting Designer, Sound Designer | 2023 | 2 | |
| McLeod, Marion | Marion McLeod | Actor | 1962 | 1 | |
| McLeod, Stephen | Stephen McLeod | Actor | 2011 | 1 | |
| Mcleod, Von | Von Mcleod | Costume Designer | 2022 | 1 | |
| McLoud, Donald | Donald McLoud | Actor | 1925 - 1926 | 2 | |
| McLoughlin, Brian | Brian McLoughlin | Lighting Designer | 1993 | 1 | |
| McLoughlin, Eleanor | Eleanor McLoughlin | Actor | 2019 | 1 | |
| McLusky, Graham | Graham McLusky | Lighting Designer | 1981 | 1 | |
| McMahen, Marshall | Marshall McMahen | Designer | 2011 | 1 | |
| McMahon, Brendan | Brendan McMahon | Actor | 2012 | 1 | |
| McMahon, Charles | Charles McMahon | Actor, Director | 1999 - 2005 | 2 | 1 |
| McMahon, Erin | Erin McMahon | Actor | 2013 | 1 | |
| McMahon, Glenn | Glenn McMahon | Actor | 1923 | 1 | |
| McMahon, Gregan | Gregan McMahon | Actor, Producer | 1926 - 1933 | 4 | |
| McMahon, Jacob | Jacob McMahon | Actor | 2004 | 1 | |
| McMahon, James | James McMahon | Actor | 2011 | 1 | |
| McMahon, James B. | James B. McMahon | Actor | 1956 | 1 | |
| McMahon, Nano | Nano McMahon | Actor | 1961 | 1 | |
| McMahon, Neil | Neil McMahon | Actor | 1943 | 1 | |
| McMahon, Richie | Richie McMahon | Actor | 2006 | 1 | |
| McMahon, Terri | Terri McMahon | Actor | 2003 | 1 | |
| McManus, Mark | Mark McManus | Actor | 1972 | 1 | |
| McManus, Patrick | Patrick McManus | Actor | 2012 | 1 | 1 |
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