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.
| Louis Gossett Actor | 1 productions |
| Louis McCartney Actor | 1 productions |
| Louis St. Louis Actor, Composer | 1 productions |
| Louise Closser Hale Actor | 1 productions |
| Louise Dresser Actor | 1 productions |
| Louise Hunter Actor | 1 productions |
| Louise Pitre Actor | 1 productions |
| Louise Searle Actor | 1 productions |
| Luba Mason Actor | 1 productions |
| Lucas Steele Actor | 1 productions |
| Lucille Ball Actor | 1 productions |
| Lucille Bremer Actor | 1 productions |
| Lucy Becque Actor | 1 productions |
| Lucy Taylor Actor | 1 productions |
| Ludwig Donath Actor | 1 productions |
| Luke Evans Actor | 1 productions |
| Luke Thallon Actor | 1 productions |
| Lulu Belle Clarke Actor | 1 productions |
| Lupe Velez Actor | 1 productions |
| Lupino Lane Actor | 1 productions |
| Luther Saxon Actor | 1 productions |
| Lyda Roberti Actor | 1 productions |
| Lynette Perry Actor | 1 productions |
| Lynn Kellogg Actor | 1 productions |
| Lynn Roberts Actor | 1 productions |
| Lynne Bretonn Actor | 1 productions |
| M. O’Haughey Actor | 1 productions |
| Mabel Bergen Actor | 1 productions |
| Mabel Curtis Actor | 1 productions |
| Mac Brandt Actor | 1 productions |
| Macdonald Carey Actor | 1 productions |
| Madeline Brewer Actor | 1 productions |
| Madeline Doherty Actor | 1 productions |
| Madeline Sherwood Actor | 1 productions |
| Madge Kennedy Actor | 1 productions |
| Madison Deadman Actor | 1 productions |
| Madison Mosley Actor | 1 productions |
| Mae Murray Actor | 1 productions |
| Maggie Kuntz Actor | 1 productions |
| Majo Rivero Actor | 1 productions |
| Mako Actor | 1 productions |
| Makoa Actor | 1 productions |
| Malcolm Callender Actor | 1 productions |
| Maleah Joi Moon Actor | 1 shows |
| Mara Huf Actor | 1 productions |
| Mara Kim Actor | 1 productions |
| Marc Blitzstein Actor, Book Writer, Composer, Lyricist | 1 productions |
| Marc Ginsburg Actor | 1 productions |
| Marc Jacoby Actor | 1 productions |
| Marc Shaiman Actor, Composer, Lyricist | 1 productions |
| Marcia Van Dyke Actor | 1 productions |
| Mare Winningham Actor | 1 productions |
| Margaret Bannerman Actor | 1 productions |
| Margaret Carmen Actor | 1 productions |
| Margaret Douglass Actor | 1 productions |
| Margaret Illmann Actor | 1 productions |
| Margaret Waller Actor | 1 shows |
| Margaret Whiting Actor | 1 productions |
| Margaret Wilson Actor | 1 productions |
| Marguerite Piazza Actor | 1 productions |