| Lannerbäck, Helge | Helge Lannerbäck | Actor | 1990 | 4 | |
| Löfgren, Ola | Ola Löfgren | Actor | 1990 | 2 | |
| Lehmann, Klaus | Klaus Lehmann | Actor | 1990 | 1 | |
| Laska, Mark | Mark Laska | Actor | 1990 | 1 | |
| Lænkholm, Anne-Grete | Anne-Grete Lænkholm | Actor | 1990 | 1 | |
| Lænkholm, Søren | Søren Lænkholm | Actor | 1990 | 1 | |
| Lorenzen, Sylvie | Sylvie Lorenzen | Musician | 1990 | 1 | |
| Livingston, Marie | Marie Livingston | Actor | 1990 | 1 | |
| Lisell-Frank, Dawn | Dawn Lisell-Frank | Actor | 1990 | 1 | |
| Lane, Harry | Harry Lane | Director | 1990 | 1 | |
| Lage, Roberto | Roberto Lage | Adaptation, Director | 1990 | 2 | |
| Leskov, Viktor, Grigorjevič | Viktor Grigorjevič Leskov | Designer | 1990 | 1 | |
| Laptenko, Ju. | Ju. Laptenko | Musical Director | 1990 | 1 | |
| Lockwood, Didier | Didier Lockwood | Musician | 1990 | 1 | |
| Lilja-Svensson, Margareta | Margareta Lilja-Svensson | Producer | 1990 - 1991 | 3 | |
| Leveston, Glenis | Glenis Leveston | Actor | 1990 - 1991 | 5 | |
| Lianos, Periklis | Periklis Lianos | Actor | 1990 - 1991 | 2 | |
| Lautenbach, Joachim | Joachim Lautenbach | Actor | 1990 - 1991 | 2 | |
| Lindner-Badstübner, Wally | Wally Lindner-Badstübner | Costume Designer | 1990 - 1992 | 2 | |
| Luiza, Natália | Natália Luiza | Actor | 1990 - 1992 | 2 | |
| Lindsell, Egil | Egil Lindsell | Actor, Musician | 1990 - 1992 | 3 | |
| Larsson, Christer | Christer Larsson | Mask Maker | 1990 - 1994 | 3 | |
| Lepine, Danièlle | Danièlle Lepine | Actor | 1990 - 1995 | 2 | |
| Lund-Roland, Svein | Svein Lund-Roland | Designer | 1990 - 1995 | 4 | |
| Larsson, Bertil | Bertil Larsson | Lighting Designer | 1990 - 2000 | 4 | |
| Leighton, Richard | Richard Leighton | Actor | 1990 - 2002 | 2 | 1 |
| Lenz, Angelika | Angelika Lenz | Costume Designer, Designer | 1990 - 2004 | 7 | |
| Lodwig, Ulrike | Ulrike Lodwig | Actor | 1990 - 2005 | 7 | |
| Lindström, Marika | Marika Lindström | Actor | 1990 - 2006 | 4 | 1 |
| Linaios, Stefanos | Stefanos Linaios | Actor, Director, Translator | 1990 - 2012 | 6 | |
| Leonard, John A. | John A. Leonard | Sound Designer | 1990 - 2015 | 10 | |
| Larsen, Svend | Svend Larsen | Actor | 1991 | 1 | 1 |
| Lindberg, Johanne | Johanne Lindberg | Actor | 1991 | 1 | |
| Loney, Michael | Michael Loney | Actor | 1991 | 1 | |
| Lindberg, Pernille | Pernille Lindberg | Actor | 1991 | 1 | |
| Lund, Christoffer Brække | Christoffer Brække Lund | Actor | 1991 | 1 | |
| Levonjan, Khoren | Khoren Levonjan | Actor | 1991 | 2 | |
| Loenen, Rocco, van | Rocco van Loenen | Actor | 1991 | 1 | |
| Laurin, Ginette | Ginette Laurin | Choreographer | 1991 | 1 | |
| Lamothe, Jean-Jacques | Jean-Jacques Lamothe | Actor | 1991 | 2 | |
| Lussier, Manon | Manon Lussier | Actor | 1991 | 2 | |
| Lavoie, Robert | Robert Lavoie | Actor | 1991 | 2 | |
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