| Morris, William | William Morris | Actor | 1904 | 1 | 1 |
| Morris, Wolfe | Wolfe Morris | Actor | 1982 - 1990 | 2 | |
| Morrish, Ann | Ann Morrish | Actor | 1957 | 1 | |
| Morrison, Charlie | Charlie Morrison | Lighting Designer | 2006 | 1 | 1 |
| Morrison, Conall | Conall Morrison | Director | 2000 - 2003 | 2 | 1 |
| Morrison, David | David Morrison | Actor | 2012 | 2 | |
| Morrison, James | James Morrison | Actor | 1990 | 1 | |
| Morrison, John | John Morrison | Lighting Designer | 1969 | 1 | |
| Morrison, Julie | Julie Morrison | Actor | 2022 | 2 | |
| Morrison, Kathleen | Kathleen Morrison | Costume Designer | 2017 | 1 | |
| Morrison, Michael | Michael Morrison | Director | 2024 | 1 | |
| Morrison, Ms. | Ms. Morrison | Actor | 1908 | 1 | |
| Morrison, Nina | Nina Morrison | Director | 2016 | 1 | |
| Morrison, Paul | Paul Morrison | Costume Designer, Designer | 1942 - 1946 | 5 | |
| Morrison, Sarah | Sarah Morrison | Actor | 1982 | 1 | |
| Morrison, Sharon | Sharon Morrison | Actor | 1978 | 1 | 1 |
| Morrison, Sheila | Sheila Morrison | Actor | 1945 | 1 | |
| Morrison, Stephen | Stephen Morrison | Actor | 2005 | 1 | |
| Morrison, Valerie | Valerie Morrison | Actor | 1951 | 1 | |
| Morrissey, David | David Morrissey | Actor | 1990 | 1 | 1 |
| Morrissey, Michael | Michael Morrissey | Actor | 1986 | 1 | |
| Morrissey, Tom | Tom Morrissey | Actor | 2000 | 1 | |
| Morritt, Stewart | Stewart Morritt | Actor | 1993 | 32 | |
| Morrow, Allison | Allison Morrow | Actor | 2011 | 1 | |
| Morrow, Helen | Helen Morrow | Actor | 1929 | 3 | |
| Morrow, Jeff | Jeff Morrow | Actor | 1950 | 1 | |
| Morsbach, Rylan | Rylan Morsbach | Actor | 2009 | 1 | 1 |
| Morschett, Karsten | Karsten Morschett | Actor | 2006 | 16 | |
| Morschheuser, Peter | Peter Morschheuser | Actor | 1911 | 1 | |
| Morse, Andrea | Andrea Morse | Actor | 2024 | 1 | |
| Morse, Barry | Barry Morse | Actor | 1954 | 1 | |
| Morse, David | David Morse | Actor | 1990 | 1 | |
| Morse, Hayward | Hayward Morse | Actor | 1978 | 1 | 1 |
| Morse, Helen | Helen Morse | Actor | 1988 | 1 | |
| Morse, LB | LB Morse | Lighting Designer | 2012 | 1 | |
| Morse, Whitney | Whitney Morse | Actor | 2019 | 1 | |
| Morska-Popławska, Gabriela | Gabriela Morska-Popławska | Actor | 1900 - 1908 | 7 | |
| Morsley, Christopher | Christopher Morsley | Actor | 1987 | 2 | |
| Morstad, Geir | Geir Morstad | Actor | 1979 - 1999 | 3 | |
| Morstad, Jørn | Jørn Morstad | Actor | 2014 | 1 | |
| Morstin, Ludwik, Hieronim | Ludwik Hieronim Morstin | Adaptation | 1964 | 1 | |
| Mortagne, Christoff Raphaël | Christoff Raphaël Mortagne | Actor | 2009 - 2011 | 40 | |
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