| Lava, Sandra | Sandra Lava | Actor | 1999 - 2004 | 15 | |
| Lievenbrück, Dorit | Dorit Lievenbrück | Costume Designer, Designer | 1999 - 2002 | 8 | 1 |
| Lithgow, Ian | Ian Lithgow | Actor | 1999 - 2001 | 2 | |
| Larsen, Gunaar | Gunaar Larsen | Translator | 1999 - 2001 | 2 | |
| Lori, Renzo | Renzo Lori | Actor | 1999 - 2001 | 10 | |
| Lefèvre, Margot | Margot Lefèvre | Actor | 1999 - 2000 | 5 | |
| 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 | |
| Lüngen, Hubert | Hubert Lüngen | Actor | 1999 | 1 | |
| Lepper, Johannes | Johannes Lepper | Director | 1999 | 1 | |
| Lina, Sofia Ahmed | Sofia Ahmed Lina | Actor | 1999 | 2 | |
| Lipon, Sydur Rahman | Sydur Rahman Lipon | Actor | 1999 | 2 | |
| Lacroix, Nathalie | Nathalie Lacroix | Actor | 1999 | 11 | |
| Lawler, John | John Lawler | Director | 1999 | 1 | |
| Lester, Gideon | Gideon Lester | Dramaturg | 1999 | 1 | 1 |
| LaGioia, John | John LaGioia | Actor | 1999 | 1 | |
| Landwehr, Hugh | Hugh Landwehr | Designer | 1999 | 1 | |
| Lange, K. | K. Lange | Actor | 1999 | 1 | |
| Leicht, Isabella | Isabella Leicht | Actor | 1999 | 1 | |
| Layegh, Jamshid | Jamshid Layegh | Actor | 1999 | 1 | |
| Lovett, Marjorie | Marjorie Lovett | Actor | 1999 | 1 | |
| Lynch, Mark | Mark Lynch | Actor | 1999 | 1 | |
| Leuchs, Helge | Helge Leuchs | Actor | 1999 | 3 | |
| Linder, Cornelia | Cornelia Linder | Choreographer | 1999 | 1 | |
| Lynch, Bernie | Bernie Lynch | Composer | 1999 | 2 | |
| Levi, Karin | Karin Levi | Actor | 1999 | 1 | |
| Levi, Amit | Amit Levi | Actor | 1999 | 1 | |
| Lunild, Erik | Erik Lunild | Actor | 1999 | 1 | |
| Larsen, Ib | Ib Larsen | Actor | 1999 | 1 | |
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