4,750 actors with a page here, the busiest first, counted by the productions and shows we hold for each. Another 24,181 people are named in cast lists and have no page yet.
| Michelle Wilson Actor | 1 productions |
| Mickey Deems Actor | 1 productions |
| Mickey Shaughnessy Actor | 1 productions |
| Mignon Dunn Actor | 1 productions |
| Miguel Gil Actor | 1 productions |
| Mika Onyx Johnson Actor | 1 productions |
| Mike Birbiglia Actor | 1 productions |
| Mike Burstyn Actor | 1 productions |
| Mike Rupert Actor | 1 productions |
| Mila Jaymes Actor | 1 productions |
| Mile. Dazie Actor | 1 productions |
| Miles McNicoll Actor | 1 productions |
| Milton Craig Nealey Actor | 1 productions |
| Mimi Benzell Actor | 1 productions |
| Mimi Hines Actor | 1 productions |
| Mindy Carson Actor | 1 productions |
| Mireille Actor | 1 productions |
| Miriam Hopkins Actor | 1 productions |
| Miriam Shor Actor | 1 productions |
| Mitchell & Durant Actor | 1 productions |
| Mitzi Hajos Actor | 1 productions |
| Miyoshi Umeki Actor | 1 productions |
| Mollie King Actor | 1 productions |
| Molly Bernard Actor | 1 productions |
| Molly Corner Actor | 1 productions |
| Molly Griggs Actor | 1 productions |
| Molly Osborne Actor | 1 productions |
| Molly Ranson Actor | 1 productions |
| Mona Paulee Actor | 1 productions |
| Monette Moore Actor | 1 productions |
| Monte Amundsen Actor | 1 productions |
| Monte Markham Actor | 1 productions |
| Monty Woolley Actor, Director | 1 productions |
| Mony Dalmes Actor | 1 productions |
| Morgan Scott Actor | 1 productions |
| Mort Sahl Actor, Director | 1 productions |
| Moss & Fontana Actor | 1 productions |
| Moyna MacGill Actor | 1 productions |
| Mr. & Mrs. Jimmie Barry Actor | 1 productions |
| Muriel Angelus Actor | 1 productions |
| Muriel Smith (or Inez Matthews) Actor | 1 productions |
| Myles Frost Actor | 1 productions |
| Nadine Gorbatcheff Actor | 1 productions |
| Nadja Hayes Actor | 1 productions |
| Nael Nacer Actor | 1 productions |
| Namir Smallwood Actor | 1 productions |
| Nancy Allsop Actor | 1 productions |
| Nancy Baron Actor | 1 productions |
| Nancy Giles Actor | 1 productions |
| Nancy Hackenberg Actor | 1 productions |
| Nancy Hamilton Actor | 1 productions |
| Nancy Harp Actor | 1 productions |
| Nancy Hume Actor | 1 shows |
| Nancy Robinette Actor | 1 productions |
| Natalie Hall Actor | 1 productions |
| Natalie Rich Actor | 1 productions |
| Natalie Vatalaro Actor | 1 productions |
| Natasha Hodgson Actor, Book Writer, Composer, Lyricist | 1 productions |
| Natasha Richardson Actor | 1 productions |
| Neal Kenyon Actor, Director | 1 shows |