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.
| Henry Hodges Actor | 2 productions |
| Henry Mancini Composer | 2 shows |
| Henry Myers Book Writer | 2 shows |
| Herbert Berghof Actor | 2 productions |
| Herbert Gresham Director | 2 shows |
| Herbert Kretzmer Lyricist | 2 shows |
| Hoagy Carmichael Orchestrator | 2 shows |
| Hobart Cavanaugh Actor | 2 productions |
| Homer Curran Book Writer | 2 shows |
| Hope Emerson Actor | 2 productions |
| Hope Foye Actor | 2 productions |
| Houston Richards Actor | 2 productions |
| Howard Freeman Actor | 2 productions |
| Hugh Bryant Actor | 2 productions |
| Hugh Dilworth Actor | 2 productions |
| Hugh Jackman Actor | 2 productions |
| Hugh Martin Actor, Book Writer, Composer, Lyricist | 2 productions |
| Hugo Felix Composer | 2 shows |
| Hy Kraft Book Writer | 2 shows |
| Hye-Young Choi Actor | 2 productions |
| Ida Brooks Hunt Actor | 2 productions |
| Iggie Wolfington Actor | 2 productions |
| Inga Swenson Actor | 2 productions |
| Irene Cara Actor | 2 productions |
| Irene Delroy Actor | 2 shows |
| Irene Molloy Actor | 2 productions |
| Iris Burton Actor | 2 productions |
| Iris Rainer Dart Book Writer, Lyricist | 2 shows |
| Irma Jurist Composer | 2 shows |
| Irving Allen Lee Actor | 2 productions |
| Irving Barnes Actor | 2 productions |
| Irving Caesar Book Writer, Lyricist | 2 shows |
| Irving Jacobson Actor | 2 productions |
| Irving Mills Orchestrator | 2 shows |
| Irwin Corey Actor | 2 productions |
| Isabel Bigley Actor | 2 productions |
| Isobel Lennart Book Writer | 2 shows |
| Itamar Moses Book Writer | 2 shows |
| Ivan Caryll Composer | 2 shows |
| Ivan Hernandez Actor | 2 productions |
| Ivy Sawyer Actor | 2 productions |
| J. A. E. Malone Director | 2 shows |
| J. Bernard Calloway Actor | 2 productions |
| J. Harold Murray Actor | 2 productions |
| J. Robert Spencer Actor | 2 productions |
| J.H. Benrimo Director | 2 shows |
| JaQuel Knight Choreographer | 2 shows |
| Jack Buchanan Actor, Choreographer | 2 productions |
| Jack Diamond Actor | 2 productions |
| Jack Feldman Lyricist | 2 shows |
| Jack Harrold Actor | 2 productions |
| Jack Kilty Actor | 2 productions |
| Jack Klugman Actor | 2 productions |
| Jack Lawrence Composer, Lyricist | 2 shows |
| Jack Prince Actor | 2 productions |
| Jack Wakefield Actor | 2 productions |
| Jack Warden Actor | 2 productions |
| Jack Warner Actor | 2 productions |
| Jack Washburn Actor | 2 productions |
| Jackie Gleason Actor | 2 productions |