| Lawton-Haehl, John | John Lawton-Haehl | Costume Designer | 2000 | 1 | |
| Livanou, Betty | Betty Livanou | Actor | 2000 | 1 | |
| Lionakis, Stelios | Stelios Lionakis | Actor | 2000 | 1 | |
| Llera, Mauricio | Mauricio Llera | Actor | 2000 | 1 | |
| Lara, Manuel | Manuel Lara | Designer | 2000 | 1 | |
| Lindström, Torbjörn | Torbjörn Lindström | Actor | 2000 | 3 | 1 |
| Lundquist, Peter | Peter Lundquist | Designer | 2000 | 3 | 1 |
| Lay, Jason | Jason Lay | Actor | 2000 | 1 | |
| Lape, Dawn | Dawn Lape | Actor | 2000 | 1 | |
| Larné, Stephan | Stephan Larné | Actor | 2000 | 1 | |
| Landgraf, Stanislav | Stanislav Landgraf | Actor | 2000 | 1 | |
| Lobis, Steve | Steve Lobis | Actor | 2000 | 1 | |
| Langford, Millie | Millie Langford | Actor | 2000 | 1 | |
| Lundgren, Katarina | Katarina Lundgren | Actor | 2000 | 1 | |
| Lorentzon, Peter | Peter Lorentzon | Actor | 2000 | 1 | |
| Lenzen, Georg B. | Georg B. Lenzen | Actor | 2000 | 2 | |
| Luebbers, L. B. | L. B. Luebbers | Lighting Designer | 2000 | 1 | |
| Ljubičić, Slobodan | Slobodan Ljubičić | Actor | 2000 | 2 | |
| Lojanica, Ljubica | Ljubica Lojanica | Actor | 2000 | 1 | |
| Lewandowski, Łukasz | Łukasz Lewandowski | Actor | 1999 - 2025 | 2 | |
| Lambrecht, Guido | Guido Lambrecht | Actor | 1999 - 2021 | 4 | 1 |
| Leupold, Andreas | Andreas Leupold | Actor | 1999 - 2012 | 10 | 1 |
| Ley, Stephen | Stephen Ley | Lighting Designer, Sound Designer | 1999 - 2011 | 2 | |
| Lüdorff, Kornelia | Kornelia Lüdorff | Actor | 1999 - 2009 | 3 | |
| Lacombe, Philippe | Philippe Lacombe | Lighting Designer | 1999 - 2008 | 17 | |
| Leittersdorf, Vincent | Vincent Leittersdorf | Actor | 1999 - 2006 | 9 | 1 |
| Litlere, Arnhild | Arnhild Litlere | Actor | 1999 - 2004 | 2 | |
| 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 |
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