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.
| Jacob Ming-Trent Actor | 2 productions |
| Jacqueline Mayro Actor | 2 productions |
| Jak Malone Actor | 2 productions |
| Jake Gyllenhaal Actor | 2 productions |
| James Van Heusen Composer | 2 shows |
| James Capp Actor | 2 productions |
| James Goldman Book Writer, Lyricist | 2 shows |
| James Graham Book Writer | 2 shows |
| James Hurst Actor | 2 productions |
| James Jewell Actor | 2 productions |
| James Kirkwood Jr. Book Writer | 2 shows |
| James Lipton Book Writer, Lyricist | 2 shows |
| James Magruder Book Writer | 2 shows |
| James Tushar Actor | 2 productions |
| Jane Ball Actor | 2 productions |
| Janis Paige Actor | 2 productions |
| Jay Livingston Composer | 2 shows |
| Jay Thompson Book Writer | 2 shows |
| Jean Bruno Actor | 2 productions |
| Jean Casto Actor | 2 productions |
| Jeanette Aquilina Actor | 2 productions |
| Jeff Hiller Actor | 2 productions |
| Jeff Kuperman Choreographer | 2 shows |
| Jeff Weiss Actor | 2 productions |
| Jeffrey Lane Book Writer | 2 shows |
| Jeffry Denman Actor | 2 productions |
| Jelani Remy Actor | 2 productions |
| Jennifer Damiano Actor | 2 productions |
| Jenny Arnold Choreographer | 2 shows |
| Jenny Powers Actor | 2 productions |
| Jenny Rose Baker Actor | 2 productions |
| Jere Shea Actor | 2 productions |
| Jeremy Herrin Director | 2 shows |
| Jerome Cowan Actor | 2 productions |
| Jerome Dempsey Actor | 2 productions |
| Jerry Mitchell Choreographer, Director | 2 productions |
| Jesse Tyler Ferguson Actor | 2 productions |
| Jesse White Actor | 2 productions |
| Jill Clayburgh Actor | 2 productions |
| Jill O’Hara Actor | 2 productions |
| Jim Parsons Actor | 2 productions |
| Jim Stanek Actor | 2 productions |
| Jimin Moon Actor | 2 productions |
| Jimmy Buffett Composer, Lyricist | 2 shows |
| Jimmy Savo Actor | 2 productions |
| Jin Ha Actor | 2 productions |
| Jinkx Monsoon Actor | 2 productions |
| Joan Bowman Actor | 2 productions |
| Joe Forbrich Actor | 2 productions |
| Joe Mantegna Actor | 2 productions |
| Joe Tracz Book Writer | 2 shows |
| Joella Breedlove Actor | 2 productions |
| Joey Haro Composer | 2 productions |
| Joey Pizzi Choreographer | 2 productions |
| Johann Strauss Jr. Composer | 2 shows |
| John Anderson Actor | 2 productions |
| John August Book Writer | 2 shows |
| John Battles Actor | 2 productions |
| John Bouie Actor | 2 productions |
| John Caird Director | 2 shows |