| Lindsay-Abaire, Chris | Chris Lindsay-Abaire | Actor | 1998 | 1 | |
| Leščinskij, Anton | Anton Leščinskij | Choreographer | 1998 | 1 | |
| Luig, F. | F. Luig | Actor | 1998 | 1 | |
| Luig, B. | B. Luig | Actor | 1998 | 1 | |
| Luig, J. | J. Luig | Actor | 1998 | 1 | |
| Latorraca, Ghislaine | Ghislaine Latorraca | Costume Designer | 1998 | 1 | |
| Lundt, Olaf | Olaf Lundt | Lighting Designer | 1998 | 1 | |
| Letwin, David | David Letwin | Actor | 1998 | 1 | 1 |
| Levy, Daniel | Daniel Levy | Composer | 1998 | 1 | |
| Lintukoski, Hannu | Hannu Lintukoski | Actor | 1998 | 1 | |
| Laitinen, Soile | Soile Laitinen | Actor | 1998 | 1 | |
| Laurikka, Harri | Harri Laurikka | Actor | 1998 | 2 | |
| Laitinen, Tarmo | Tarmo Laitinen | Actor | 1998 | 3 | |
| Liinoja, Hanna | Hanna Liinoja | Actor | 1998 | 3 | |
| Lada, Joan | Joan Lada | Producer | 1998 | 1 | |
| López, Jerónimo | Jerónimo López | Lighting Designer | 1998 | 1 | |
| Lūsis, Ivars | Ivars Lūsis | Actor | 1998 - 1999 | 2 | |
| Laucevičius, Liubomiras | Liubomiras Laucevičius | Actor | 1998 - 2000 | 4 | |
| Leroy-Beaulieu, Philippe | Philippe Leroy-Beaulieu | Actor | 1998 - 2000 | 17 | 1 |
| Leal, Indira | Indira Leal | Actor | 1998 - 2002 | 4 | 1 |
| Löchner, Markus | Markus Löchner | Actor | 1998 - 2004 | 2 | 1 |
| López, Nicolai Abrahamsen | Nicolai Abrahamsen López | Actor | 1998 - 2004 | 11 | |
| Luppes, Bert | Bert Luppes | Actor | 1998 - 2004 | 3 | |
| Laube, Steffen | Steffen Laube | Actor | 1998 - 2007 | 21 | |
| Linney, Romulus | Romulus Linney | Adaptation, Director | 1998 - 2014 | 6 | 1 |
| Litzinger, Hartmut | Hartmut Litzinger | Lighting Designer | 1998 - 2016 | 2 | |
| Lee, Michael | Michael Lee | Actor | 1998 - 2018 | 2 | |
| Lasonpalo, Anne | Anne Lasonpalo | Costume Designer | 1999 | 1 | |
| Lawton, Anthony | Anthony Lawton | Actor | 1999 | 1 | 1 |
| Linder, Carl-Oscar | Carl-Oscar Linder | Actor | 1999 | 1 | |
| Lindström, Miia | Miia Lindström | Actor | 1999 | 1 | |
| Lyons, Monica | Monica Lyons | Actor | 1999 | 1 | |
| Larsen, Morten Nyheim | Morten Nyheim Larsen | Actor | 1999 | 2 | |
| Lillelien, Mina | Mina Lillelien | Actor | 1999 | 2 | |
| Lund, Sonja | Sonja Lund | Actor | 1999 | 2 | 1 |
| Leskó, Róbert | Róbert Leskó | Actor | 1999 | 1 | 1 |
| Lénárt, László | László Lénárt | Actor | 1999 | 1 | |
| Landlová, Mária | Mária Landlová | Actor | 1999 | 1 | 1 |
| Lang, Krzysztof | Krzysztof Lang | Adaptation, Director | 1999 | 2 | |
| Lasota, Czesław | Czesław Lasota | Actor | 1999 | 1 | |
| Lewandowski, Łukasz | Łukasz Lewandowski | Actor | 1999 | 1 | |
| Lyžina, Natal'ja | Natal'ja Lyžina | Actor | 1999 | 1 | |
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