| La Paglia, Anthony M. | Anthony M. La Paglia | Actor | 1990 | 1 | |
| Lorenz, Frank | Frank Lorenz | Actor | 1990 | 1 | |
| Ljung, Katarina | Katarina Ljung | Actor | 1990 | 1 | |
| Lövgren, Björn | Björn Lövgren | Actor | 1990 | 1 | |
| Lowe, Frank | Frank Lowe | Actor | 1990 | 1 | |
| Lilly, Randy | Randy Lilly | Actor | 1990 | 1 | |
| Langley, Mark D. | Mark D. Langley | Lighting Designer | 1990 | 1 | |
| Love, Wil | Wil Love | Actor | 1990 | 1 | |
| Lamb, Chris | Chris Lamb | Actor | 1990 | 1 | |
| Laun, Jeffrey | Jeffrey Laun | Actor | 1990 | 1 | |
| Lüdke , Andrea | Andrea Lüdke | Actor | 1990 | 1 | |
| Lindgren, Karl-Robert | Karl-Robert Lindgren | Actor | 1990 | 2 | |
| Larsson, Charlotta | Charlotta Larsson | Actor | 1990 | 2 | |
| 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 | |
| Langdal, Peter, | Peter Langdal | Adaptation, Director, Translator | 1989 – 2016 | 118 | |
| Lamotte, Kevin | Kevin Lamotte | Lighting Designer | 1989 – 2016 | 4 | |
| List, Wolf, | Wolf List | Actor | 1989 – 2014 | 6 | 1 |
| Lang, Rudolf | Rudolf Lang | Actor | 1989 – 2013 | 4 | |
| Lavrysen, Dirk | Dirk Lavrysen | Actor | 1989 – 2001 | 41 | |
| Lystad, Gro, | Gro Lystad | Choreographer | 1989 – 1993 | 5 | |
| Larshaugen, Liv Jorunn, | Liv Jorunn Larshaugen | Actor | 1989 – 1993 | 10 | |
| Looft, Richard | Richard Looft | Assistant Director | 1989 – 1990 | 3 | |
| Lederberg, Sarah | Sarah Lederberg | Costume Designer | 1989 | 1 | |
| Lliwa, Przemyslaw | Przemyslaw Lliwa | Choreographer | 1989 | 1 | |
| Lee, Liberty | Liberty Lee | Actor | 1989 | 1 | |
| Lytra, Froso | Froso Lytra | Actor | 1989 | 1 | |
| Lundgren, Henrik | Henrik Lundgren | Dramaturg | 1989 | 1 | |
| Liška, Ivan | Ivan Liška | Dancer | 1989 | 1 | |
| Lefèvre , Chantal | Chantal Lefèvre | Dancer | 1989 | 3 | |
| Laban, Jean | Jean Laban | Dancer | 1989 | 1 | |
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