| Ladurner, Sabine | Sabine Ladurner | Assistant Director | 2019 | 1 | |
| Light, Oskar | Oskar Light | Lighting Designer | 2019 | 1 | |
| Li, Jianyi | Jianyi Li | Actor | 2019 | 2 | |
| Lastra, Esther | Esther Lastra | Actor | 2019 | 1 | |
| Lobera, Tobías | Tobías Lobera | Actor | 2019 | 1 | |
| Lechou, Katerina | Katerina Lechou | Actor | 2019 | 1 | |
| Lungina, Lilianna, Zinovljevna | Lilianna Zinovljevna Lungina | Translator | 2019 | 1 | |
| Levente, Ördög, Miklós | Ördög Miklós Levente | Actor | 2019 | 2 | |
| Loaiza, Ana Paola | Ana Paola Loaiza | Actor | 2019 | 1 | |
| Li, Chentao | Chentao Li | Actor | 2019 | 2 | |
| Labrecque, Marie-Pier | Marie-Pier Labrecque | Actor | 2019 | 1 | |
| Lambert, Simon-Pierre | Simon-Pierre Lambert | Actor | 2019 | 1 | |
| Lepage, Mathieu | Mathieu Lepage | Actor | 2019 | 1 | |
| Lewald, Liliom | Liliom Lewald | Actor | 2019 | 56 | |
| Lindenberger, Alvise | Alvise Lindenberger | Actor | 2019 | 48 | |
| Liebermann, Tanja | Tanja Liebermann | Costume Designer | 2019 | 8 | |
| López, Mila | Mila López | Actor | 2019 | 1 | |
| Lepaule, Lorry | Lorry Lepaule | Actor | 2019 | 1 | |
| Lukin, Zsuzsanna | Zsuzsanna Lukin | Musical Director | 2019 - 2020 | 2 | |
| Lepers, Jeanne | Jeanne Lepers | Actor | 2019 - 2020 | 16 | |
| Le Moal, Julien | Julien Le Moal | Costume Designer | 2019 - 2020 | 16 | |
| Langstrand, Stine, Mari | Stine Mari Langstrand | Actor | 2019 - 2021 | 5 | |
| Lisman, Amanda | Amanda Lisman | Actor | 2019 - 2022 | 2 | |
| Lafferey, Dane | Dane Lafferey | Costume Designer, Designer | 2019 - 2022 | 2 | |
| Lynch, Calam | Calam Lynch | Actor | 2019 - 2023 | 3 | |
| Leedor, Mor | Mor Leedor | Choreographer | 2020 | 1 | |
| Litvak, Bella | Bella Litvak | Assistant Director | 2020 | 1 | |
| Lord, Aidan | Aidan Lord | Actor | 2020 | 1 | |
| Lubbers, Marc | Marc Lubbers | Actor | 2020 | 1 | |
| Lindgren, Åke | Åke Lindgren | Actor | 2020 | 1 | |
| Lewin, Giles | Giles Lewin | Musical Director | 2020 | 1 | |
| Luppichini, Mathias | Mathias Luppichini | Actor | 2020 | 1 | |
| Landin, Per Ola | Per Ola Landin | Musician | 2020 | 36 | |
| Lafond, Grégoire | Grégoire Lafond | Lighting Designer | 2020 | 1 | |
| Li, Xintong | Xintong Li | Actor | 2020 | 4 | |
| Lithner, Mathias | Mathias Lithner | Actor | 2020 | 1 | |
| Lindberg, Rasmus | Rasmus Lindberg | Director | 2020 | 1 | |
| Lindberg, Therése | Therése Lindberg | Actor | 2020 | 1 | |
| Løding, Oliver | Oliver Løding | Lighting Designer | 2020 | 1 | |
| Lopes, Hana Sofia | Hana Sofia Lopes | Actor | 2020 | 1 | |
| Liney, Alison | Alison Liney | Actor | 2020 | 1 | |
| Lee, Roc | Roc Lee | Composer | 2020 | 1 | |
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