| McNamara, Dermot | Dermot McNamara | Director | 1971 | 1 | |
| McNamara, Cienda | Cienda McNamara | Director | 2008 | 1 | |
| McNamara, Annie | Annie McNamara | Actor | 1998 | 1 | |
| McNamara, Amanda | Amanda McNamara | Costume Designer, Designer | 1987 | 2 | |
| McNamara, Adam | Adam McNamara | Actor | 2019 | 2 | |
| McNally, Mary | Mary McNally | Actor | 2000 | 1 | |
| McNally, Francis | Francis McNally | Actor | 2019 | 1 | |
| McNall, Sean | Sean McNall | Actor | 2005 | 1 | 1 |
| McNairy, Emma | Emma McNairy | Actor | 2024 | 1 | |
| McNair, Leon | Leon McNair | Actor | 2010 | 1 | |
| McNair, Emily | Emily McNair | Actor | 1948 | 2 | |
| McNae, Jenny | Jenny McNae | Actor | 1991 | 1 | |
| McMurtry, Jonathan | Jonathan McMurtry | Actor | 2010 | 1 | 1 |
| McMurtrey, Joan | Joan McMurtrey | Actor | 1984 | 2 | |
| McMurdo-Wallis, Cristine | Cristine McMurdo-Wallis | Actor | 1990 | 1 | |
| McMullen, William, L. | William L. McMullen | Actor | 1981 | 1 | |
| McMullen, Randall J. | Randall J. McMullen | Designer | 1990 | 1 | |
| McMullen, Nathan | Nathan McMullen | Actor | 2018 | 1 | |
| McMullen, Danny | Danny McMullen | Lighting Designer | 2013 | 1 | |
| McMullan, Sherida | Sherida McMullan | Actor | 2001 | 1 | |
| McMorrough, Jeff | Jeff McMorrough | Actor | 2016 - 2020 | 2 | |
| McMorrough, Jeff | Jeff McMorrough | Actor | 2018 | 1 | |
| McMorran, Ian | Ian McMorran | Lighting Designer | 2017 | 1 | |
| McMonagle, Walter | Walter McMonagle | Actor | 2003 | 1 | |
| McMonagle, Kevin | Kevin McMonagle | Actor | 2009 - 2013 | 2 | |
| McMonagle, Graham | Graham McMonagle | Costume Designer, Designer | 2019 | 2 | |
| McMillen, Virginia | Virginia McMillen | Actor | 1978 | 1 | |
| McMillen, Jesse | Jesse McMillen | Actor | 1978 | 1 | |
| McMillen, Dorothy | Dorothy McMillen | Actor | 1939 | 1 | |
| McMillen, Bev | Bev McMillen | Actor | 1978 | 1 | |
| McMillan, Roddy | Roddy McMillan | Actor | 1980 | 1 | |
| McMillan, Richard | Richard McMillan | Actor | 2014 | 1 | |
| McMillan, Jean | Jean McMillan | Dancer | 1939 | 1 | |
| McMillan, Carrie | Carrie McMillan | Actor | 1971 | 1 | |
| McMenamin, Patricia | Patricia McMenamin | Actor | 1980 | 16 | |
| McMeekan, Wayne | Wayne McMeekan | Actor | 1937 | 1 | |
| McMath, Tim | Tim McMath | Set Designer | | 1 | |
| McMasters, Ryan | Ryan McMasters | Sound Designer | 2013 | 1 | |
| McMasters, Helen | Helen McMasters | Actor | 1925 | 2 | |
| McMaster, Jim | Jim McMaster | Actor | 1969 | 1 | |
| McMaster, Anew | Anew McMaster | Actor | 1961 | 1 | |
| McManus, Patrick | Patrick McManus | Actor | 2012 | 1 | 1 |
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