| Lang, Krzysztof | Krzysztof Lang | Adaptation, Director | 1999 | 2 | |
| Lasota, Czesław | Czesław Lasota | Actor | 1999 | 1 | |
| Lewandowski, Łukasz | Łukasz Lewandowski | Actor | 1999 | 1 | |
| Laurentowski, Zenon | Zenon Laurentowski | Actor | 1957 | 1 | |
| Loedl, Bolesław | Bolesław Loedl | Actor | 1957 | 1 | |
| Lubodziecka, Hanna | Hanna Lubodziecka | Actor | 1959 | 1 | |
| Lorenci, Daria | Daria Lorenci | Actor | 2014 | 1 | |
| Lazăr, Alexandru | Alexandru Lazăr | Actor, Assistant Director | 1972 | 5 | |
| Laretei, Käbi | Käbi Laretei | Musician | 2001 - 2003 | 2 | |
| Lupu, Vasile | Vasile Lupu | Actor | 1963 | 1 | |
| Landy, Ellie | Ellie Landy | Costume Designer | 2001 | 1 | |
| Lucian, Vasile | Vasile Lucian | Actor | 1963 | 1 | |
| Lohr, Paul | Paul Lohr | Director | 2001 | 1 | |
| Lică, Gherghinescu | Lică Gherghinescu | Actor | 1985 | 12 | |
| Lazăr, George | George Lazăr | Composer | 1985 | 1 | |
| Lászlóffy, Zsolt | Zsolt Lászlóffy | Composer | 2008 | 1 | |
| Leighton, John | John Leighton | Costume Designer | 2001 | 1 | |
| Landa, Edgar | Edgar Landa | Actor | 2001 | 1 | |
| Lovas, Zoltán | Zoltán Lovas | Actor | 1998 | 3 | |
| Linguraru, Vera | Vera Linguraru | Actor | 2009 | 1 | |
| Lei, Zhang | Zhang Lei | Actor | 2005 - 2006 | 8 | |
| Le, Song | Song Le | Choreographer | 2005 - 2006 | 8 | |
| Lalchandani, Lavina | Lavina Lalchandani | Actor | 2006 | 1 | |
| Lutz, Veronika | Veronika Lutz | Actor | 2006 | 2 | |
| Lörincz, Alexandra | Alexandra Lörincz | Actor | 1989 | 1 | |
| Lábán, Katalin | Katalin Lábán | Director | 2015 | 1 | |
| László, Piroska | Piroska László | Costume Designer | 2015 | 1 | |
| Leiser, Jocelyn | Jocelyn Leiser | Costume Designer | 2006 | 1 | |
| Long, Mike | Mike Long | Actor | 2006 | 1 | |
| Larlham, Daniel | Daniel Larlham | Actor | 2006 | 1 | |
| Lohse, Harry | Harry Lohse | Director | 2006 | 2 | |
| Lowe, Jane | Jane Lowe | Actor | 2006 | 2 | |
| Leistritz, Alexander | Alexander Leistritz | Actor | 2006 | 1 | |
| Lehman, Maggie | Maggie Lehman | Actor | 2006 | 1 | |
| Levin, Darren | Darren Levin | Lighting Designer | 2006 | 1 | |
| Lainé, Marc | Marc Lainé | Costume Designer, Designer, Set Designer | 2007 - 2023 | 20 | |
| Lampater, Jens | Jens Lampater | Adaptation, Dramaturg | 2006 - 2008 | 4 | |
| Lewin, Callum | Callum Lewin | Actor | 2013 | 1 | |
| Lewis, Joseph | Joseph Lewis | Actor | 2013 | 1 | |
| Lannoy, Debbie | Debbie Lannoy | Actor, Choreographer | 2006 | 2 | |
| Lee, Min | Min Lee | Actor | 2006 | 1 | |
| Lason, Alan | Alan Lason | Actor | 2007 | 1 | |
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