7,133 people 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.
| June Clyde Actor | 2 productions |
| Justice Moore Actor | 2 productions |
| Justin Collette Actor | 2 productions |
| Justin Paul Composer, Lyricist | 2 shows |
| Justine Johnston Actor | 2 productions |
| K. Todd Freeman Actor | 2 productions |
| Kacie Sheik Composer | 2 productions |
| Kaie Deei Actor | 2 productions |
| Kaitlin Hopkins Actor | 2 productions |
| Kam Cheng Actor | 2 productions |
| Kara Lindsay Actor | 2 productions |
| Kara Young Actor | 2 productions |
| Karen Akers Actor | 2 productions |
| Karen Morrow Actor | 2 productions |
| Karey Kirkpatrick Book Writer, Composer, Lyricist | 2 shows |
| Karin Wolfe Actor | 2 productions |
| Karl Farkas Book Writer | 2 productions |
| Karla Puno Garcia Choreographer | 2 productions |
| Kate Flatt Choreographer | 2 shows |
| Katherine Anderson Actor | 2 productions |
| Kathleen Rowe McAllen Actor | 2 productions |
| Kathy Deitch Actor | 2 productions |
| Kay Swift Composer, Lyricist | 2 shows |
| Kay Walbye Actor | 2 productions |
| Kayla Davion Actor | 2 productions |
| Keala Settle Actor | 2 productions |
| Keith Buterbaugh Actor | 2 productions |
| Keith Byron Kirk Actor | 2 productions |
| Keith Roberts Actor | 2 productions |
| Kelly Bishop Actor | 2 productions |
| Kelly Patterson Actor | 2 productions |
| Ken Ludwig Book Writer | 2 shows |
| Kenneth Waissman Composer | 2 shows |
| Kenny Bowers Actor | 2 productions |
| Kevin Anderson Actor | 2 productions |
| Kevin Bogue Actor | 2 productions |
| Kevin Carlisle Choreographer | 2 productions |
| Kevin Mambo Actor | 2 productions |
| Kevin McCollum Composer | 2 shows |
| Kevin Pariseau Actor | 2 productions |
| Kevin Ramsey Actor | 2 productions |
| Kim Exum Actor | 2 productions |
| Kimber Elayne Sprawl Actor | 2 productions |
| Kimberly Immanuel Actor | 2 productions |
| Kris Kukul Director | 2 shows |
| Kristen Anderson-Lopez Book Writer, Composer, Lyricist | 2 shows |
| Kristi Lynes Actor | 2 productions |
| Kristine Nielsen Actor | 2 productions |
| Kristolyn Lloyd Actor | 2 productions |
| Kurt Peterson Actor | 2 productions |
| Kyle Coffman Composer | 2 productions |
| LaTanya Richardson Jackson Actor | 2 productions |
| Lacy Darryl Phillips Actor | 2 productions |
| Lainie Kazan Actor | 2 productions |
| Lamont Washington Actor | 2 productions |
| Langston Hughes Book Writer, Lyricist | 2 shows |
| Lara Teeter Actor, Director | 2 productions |
| Larry Alpert Actor, Director | 2 productions |
| Larry Cahn Actor | 2 productions |
| Larry Hochman Orchestrator | 2 shows |