| 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 | |
| Leveston, Glenis | Glenis Leveston | Actor | 1990 - 1991 | 5 | |
| Lianos, Periklis | Periklis Lianos | Actor | 1990 - 1991 | 2 | |
| Lindner-Badstübner, Wally | Wally Lindner-Badstübner | Costume Designer | 1990 - 1992 | 2 | |
| Lindsell, Egil, | Egil Lindsell | Actor, Musician | 1990 - 1992 | 3 | |
| Liljeroth, Leif | Leif Liljeroth | Actor | 1990 - 1992 | 1 | |
| Linden, Göran | Göran Linden | Actor | 1990 - 1992 | 1 | |
| Lepine, Danièlle | Danièlle Lepine | Actor | 1990 - 1995 | 2 | |
| Larsson, Bertil | Bertil Larsson | Lighting Designer | 1990 - 2000 | 4 | |
| Leighton, Richard | Richard Leighton | Actor | 1990 - 2002 | 2 | |
| Lenz, Angelika | Angelika Lenz | Costume Designer, Designer | 1990 - 2005 | 7 | |
| Lodwig, Ulrike | Ulrike Lodwig | Actor | 1990 - 2005 | 7 | |
| Lindström, Marika | Marika Lindström | Actor | 1990 - 2006 | 4 | |
| Linaios, Stefanos | Stefanos Linaios | Actor, Director, Translator | 1990 - 2014 | 6 | |
| Leonard, John A., | John A. Leonard (John A. Leonard) | Sound Designer | 1990 - 2015 | 10 | |
| Larsen, Svend | Svend Larsen | Actor | 1991 | 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 | |
| Legramandi, Antonella | Antonella Legramandi | Actor | 1991 | 1 | |
| Lyckow, Maria | Maria Lyckow | Actor | 1991 | 21 | |
| Láng, Balázs | Balázs Láng | Actor | 1991 | 1 | |
| Linnenbrügger, Wolfgang | Wolfgang Linnenbrügger | Actor | 1991 | 1 | |
| Larrinaga, Dan | Dan Larrinaga | Actor | 1991 | 1 | |
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