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.
| King Calder Actor | 1 productions |
| Kiril Kulish Actor | 1 productions |
| Kit Connor Actor | 1 productions |
| Kitty Carlisle Actor | 1 productions |
| Kitty Doner Actor | 1 productions |
| Kitty Kelly Actor | 1 productions |
| Kolby Kindle Actor | 1 productions |
| Krisha Marcano Actor | 1 productions |
| Kristen Bell Actor | 1 productions |
| Kristen Lee Kelly Actor | 1 productions |
| Kristi Carnahan Actor | 1 productions |
| Kristin Stokes Actor | 1 productions |
| Kristina Leopold Actor | 1 shows |
| Kumail Nanjiani Actor | 1 productions |
| Kurt Jons and his Dancers Actor | 1 productions |
| Kya Azeen Actor | 1 productions |
| Kyla Bartholomeusz Actor | 1 productions |
| Kyle McDonnell Actor | 1 productions |
| Kyle Ramar Freeman Actor | 1 productions |
| Kyleigh Vickers Actor | 1 productions |
| L Morgan Lee Actor | 1 productions |
| LJ Benet Actor | 1 productions |
| La Chanze Actor | 1 productions |
| Lamar Alford Actor | 1 productions |
| Lance Guest Actor | 1 productions |
| Lane Bradbury Actor | 1 productions |
| Lanna Saunders Actor | 1 productions |
| Lara McDonnell Actor | 1 productions |
| Laraine Newman Actor | 1 productions |
| Larkin Reilly Actor | 1 productions |
| Larry Adler Actor | 1 productions |
| Larry Billman Actor | 1 productions |
| Larry Carr Actor | 1 productions |
| Larry Stock Actor | 1 productions |
| Laura Donnelly Actor | 1 productions |
| Laura Dreyfuss Actor | 1 productions |
| Lauren Ambrose Actor | 1 productions |
| Lauren Molina Actor | 1 productions |
| Lauren Pritchard Actor | 1 productions |
| Laurence Naismith Actor | 1 shows |
| Lawrence Deas Actor, Choreographer | 1 productions |
| Lawrence Grossmith Actor | 1 productions |
| Layton Williams Actor | 1 shows |
| Lazaro Perez Actor | 1 productions |
| Lea Penman Actor | 1 productions |
| Leanne Best Actor | 1 productions |
| Leanne Cope Actor | 1 productions |
| Lee Ballard Actor | 1 productions |
| Lee Becker Theodore Actor, Choreographer | 1 productions |
| Lee Remick Actor | 1 productions |
| Lee Strasberg Actor | 1 productions |
| Lee Sullivan Actor | 1 productions |
| Leif Erickson Actor | 1 productions |
| Leigh Beery Actor | 1 productions |
| Leiomy Actor | 1 productions |
| Len Weinrib Actor | 1 productions |
| Lena Horne Actor | 1 productions |
| Lena Owens Actor | 1 productions |
| Lenny Baker Actor | 1 productions |
| Leo Anthony Actor | 1 productions |