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.
| Irene Pawk Actor | 1 productions |
| Irene Rich Actor | 1 productions |
| Irene Ryan Actor | 1 productions |
| Irene Sankoff Book Writer, Composer, Lyricist | 1 shows |
| Irene Sofia Lucio Actor | 1 productions |
| Irina Baronova Actor | 1 productions |
| Iron Bryan Actor | 1 productions |
| Irv Carroll Cast: The Barton Brothers Director | 1 shows |
| Irving Aaronson and His Commanders Actor | 1 productions |
| Irving Davies Choreographer | 1 shows |
| Irving Kahal Orchestrator | 1 shows |
| Irwin Fisch Orchestrator | 1 shows |
| Irwin Ko Orchestrator | 1 shows |
| Irwin Kost Orchestrator | 1 shows |
| Irwin Kostal Orchestrator | 1 shows |
| Irwin Kostal Orchestrator | 1 shows |
| Irwin Kostal Orchestrator | 1 shows |
| Irwin Pearl Actor | 1 productions |
| Isa Antonetti Actor | 1 productions |
| Isaac Oliver Book Writer | 1 shows |
| Isaac Powell Actor | 1 productions |
| Isabella Esler Actor | 1 productions |
| Isabelle Flachsmann Actor | 1 productions |
| Isao Sato Actor | 1 productions |
| Ismael Kouyaté Actor | 1 productions |
| Ivan Menchell Book Writer | 1 shows |
| Ivo van Hove Director | 1 shows |
| Ivy Austin Actor | 1 productions |
| Izzy Elinson Book Writer | 1 shows |
| J Savage Actor | 1 productions |
| J. C. Flippen Actor | 1 productions |
| J. Clarence Harvey Actor | 1 productions |
| J. E. Gardner Actor | 1 productions |
| J. Fred Coots Composer | 1 shows |
| J. H. Turner Book Writer | 1 shows |
| J. Hartley Manners Book Writer, Director | 1 shows |
| J. P. McEvoy Book Writer | 1 shows |
| J.F. Lawton Book Writer | 1 shows |
| J.T. Cromwell Actor | 1 productions |
| JC Montgomery Actor | 1 productions |
| JD Taylor Actor | 1 productions |
| Jace Bently Actor | 1 productions |
| Jack Barnett Lyricist | 1 shows |
| Jack Currie Actor | 1 productions |
| Jack DeLon Actor | 1 productions |
| Jack Durant Actor | 1 productions |
| Jack Emrek Actor | 1 productions |
| Jack Gardner Actor | 1 productions |
| Jack Haskell Choreographer | 1 productions |
| Jack Hazzard Actor, Book Writer | 1 productions |
| Jack Hilliard Actor | 1 productions |
| Jack Hulbert Book Writer | 1 shows |
| Jack Kruschen Actor | 1 productions |
| Jack Mason Choreographer | 1 productions |
| Jack McGowan Actor | 1 shows |
| Jack Soo Actor | 1 productions |
| Jack Sydow Director | 1 shows |
| Jack Thorne Book Writer | 1 shows |
| Jack Wagner Actor | 1 shows |
| Jack Williams Composer | 1 productions |