| Lou, Yvonne Yingwen | Yvonne Yingwen Lou | Stage Manager | 2025 | 1 | |
| Lis, Michał | Michał Lis | Composer | 2020 | 2 | |
| Lis, Piotr | Piotr Lis | Video Designer | 2020 | 2 | |
| Lark-Riley, Joseph | Joseph Lark-Riley | Set Designer, Sound Designer | 2025 | 2 | |
| Ledesma, Dani | Dani Ledesma | Actor | 2025 | 1 | |
| López, Ernesto | Ernesto López | Lighting Designer | 2025 | 1 | |
| Lee, Evan | Evan Lee | Actor | 2025 | 1 | |
| Lapayowker, Liberty | Liberty Lapayowker | Stage Manager | 2025 | 1 | |
| Lanzky, Fru | Fru Lanzky | Actor | 1899 | 1 | |
| Lindemann, Henrik | Henrik Lindemann | Actor | 1899 | 1 | |
| Larsen, Lauritz | Lauritz Larsen | Actor | 1899 | 1 | |
| Lawton, Natalie | Natalie Lawton | Producer | 2025 | 1 | |
| Leland, Brandon | Brandon Leland | Actor | 2025 | 1 | |
| Lee, Peggy | Peggy Lee | Sound Designer | 2023 - 2025 | 2 | |
| Labbe, Holly | Holly Labbe | Costume Designer | 2025 | 1 | |
| Lencina, Gustavo | Gustavo Lencina | Actor | 2025 | 2 | |
| Larrivey, Delfina | Delfina Larrivey | Actor | 2025 | 2 | |
| Leder, Erwin | Erwin Leder | Actor | 2024 | 1 | |
| Lermer, Magdalena | Magdalena Lermer | Actor | 2025 | 1 | |
| Little, Mary | Mary Little | Actor | 2025 | 1 | |
| Lipoglavšek, Manca | Manca Lipoglavšek | Dramaturg | 2025 | 1 | |
| Lah, Jaka | Jaka Lah | Actor | 2025 | 1 | |
| Laidlaw, Andrew | Andrew Laidlaw | Set Designer | 2025 | 1 | |
| Lukeš, Jan | Jan Lukeš | Actor | 2023 - 2024 | 5 | |
| Lebánková, Barbora Anna | Barbora Anna Lebánková | Producer | 2023 - 2024 | 5 | |
| Lysenko, Julija | Julija Lysenko (Юлия Лысенко) | Actor | 2025 | 1 | |
| Leonard, Valerie | Valerie Leonard | Actor | 1999 | 1 | |
| Lorette, Deanne | Deanne Lorette | Actor | 1999 | 1 | |
| Lenze Lauch, Hanne | Hanne Lenze Lauch | Costume Designer | 2024 | 2 | |
| Lincoln, Andrew | Andrew Lincoln | Actor | 2025 | 1 | |
| Leonte, Alina | Alina Leonte | Actor | 2024 - 2025 | 3 | |
| Langlois, Gilles | Gilles Langlois | Director | 2025 | 2 | |
| Larsen, Marius | Marius Larsen | Set Designer, Stage Manager | 2024 | 2 | |
| Lee, Susan | Susan Lee | Adapter | 2025 | 1 | |
| Lendaro, Lisa | Lisa Lendaro | Actor | 2025 | 1 | |
| Lamb, Casey | Casey Lamb | Adapter | 2025 | 1 | |
| Lunn, Annalise | Annalise Lunn | Actor | 2024 | 1 | |
| Laing-Bein, Oak | Oak Laing-Bein | Actor | 2024 | 1 | |
| Losey, Joseph | Joseph Losey | Director, Producer | 1973 | 2 | 1 |
| Lehotay, Árpád | Árpád Lehotay | Actor, Director | 1928 - 1944 | 8 | 1 |
| Lindberg, Sven | Sven Lindberg | Actor | 1970 - 2000 | 4 | 1 |
| Lessing, Emil | Emil Lessing | Actor, Director | 1888 - 1913 | 131 | 1 |
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