| McAllister, Jennifer | Jennifer McAllister | Actor | 2010 | 1 | |
| McAllister, Peter | Peter McAllister | Director | 2004 | 5 | |
| McAllister, Phosa | Phosa McAllister | Actor | 1899 | 1 | |
| McAllister, Sandra | Sandra McAllister | Actor | 1985 | 1 | |
| McAlpin, Deryk | Deryk McAlpin | | | | 2 |
| McAnally, Ray | Ray McAnally | Actor | 1982 | 1 | |
| McAnarney, Jenny | Jenny McAnarney | Actor | 2018 | 1 | |
| McAndrew, Kelly | Kelly McAndrew | Actor | 2001 | 2 | 1 |
| McAndrew, Pat | Pat McAndrew | Actor | 1966 | 1 | |
| McArdell, Bonnie | Bonnie McArdell | Actor | 1958 | 1 | |
| McArdle, James | James McArdle | Actor | 2011 - 2019 | 3 | 1 |
| McArdle, John | John McArdle | Actor | 2015 | 1 | |
| McArdle, Nicholas | Nicholas McArdle | Actor | 1974 | 1 | |
| McArthur, Molly | Molly McArthur | Actor, Costume Designer, Designer | 1925 - 1946 | 6 | |
| McArthur, Murray | Murray McArthur | Actor | 1996 - 1998 | 6 | |
| McArton, Megan | Megan McArton | Actor, Director | 2019 | 2 | |
| McAskill, Mark | Mark McAskill | Actor | 1985 | 1 | |
| McAuliffe, Jody | Jody McAuliffe | Director | 2016 | 1 | |
| McAuliffe, Nicola | Nicola McAuliffe | Actor | 1990 | 1 | 1 |
| McBay, Leslie | Leslie McBay | Actor | 2010 | 1 | 1 |
| McBeath, Prue | Prue McBeath | Costume Designer | 1971 | 1 | |
| McBeth, Bonnie | Bonnie McBeth | Actor | 1962 | 1 | |
| McBoyle, Peter | Peter McBoyle | Sound Designer | 2001 | 1 | |
| McBride, Andrew | Andrew McBride | Composer | 1994 | 1 | |
| McBride, Betsy | Betsy McBride | Actor | 2012 | 2 | |
| McBride, Don | Don McBride | Designer | 2017 | 1 | |
| McBride, Tanya Thai | Tanya Thai McBride | Actor | 2022 | 1 | |
| McBride, Vaughn | Vaughn McBride | Actor | 1962 - 1963 | 2 | |
| McBride, Wes | Wes McBride | Designer | 1999 | 1 | |
| McBryde, Ryan | Ryan McBryde | Director | 2011 | 1 | |
| McBurney, Christine | Christine McBurney | Assistant Director, Director | 2017 - 2022 | 2 | |
| McCabe, Antonia | Antonia McCabe | Actor | 1999 | 1 | |
| McCabe, Antonia Carillo | Antonia Carillo McCabe | Actor | 2000 | 1 | |
| McCabe, Benjamin | Benjamin McCabe | Actor | 1947 | 1 | |
| McCabe, Stephen | Stephen McCabe | Designer | 1983 | 1 | |
| McCabe, Vincent | Vincent McCabe | Actor | 1980 - 2003 | 3 | 1 |
| McCaffrey, Meta | Meta McCaffrey | Actor | 1964 | 1 | |
| McCaffrey, Robin | Robin McCaffrey | Actor | 1984 | 1 | |
| McCaffrey, Sorcha | Sorcha McCaffrey | Actor | 2006 | 3 | |
| McCaig, Ian | Ian McCaig | Actor | 1969 | 1 | |
| McCall, Brendan | Brendan McCall | Actor, Director, Producer | 2009 - 2020 | 4 | 1 |
| McCall, Greg | Greg McCall | Musician | 1992 | 1 | |
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