| Lish, Becca | Becca Lish | Actor | 1983 | 1 | |
| Laube, Horst | Horst Laube | Adaptation, Dramaturg | 1983 - 1985 | 3 | |
| László, Zolo | Zolo László | Actor | 1983 | 1 | |
| Linnemann, Magna | Magna Linnemann | Mask Maker | 1983 | 1 | |
| Lassen, Alf | Alf Lassen | Actor | 1978 - 1983 | 3 | |
| Leone, Leon Di | Leon Di Leone | Designer, Lighting Designer | 1984 | 2 | |
| Langfield, Angela | Angela Langfield | Director | 1977 - 1984 | 2 | |
| Logan, Gerard | Gerard Logan | Actor | 1984 | 1 | |
| Lindqvist, Jan-Erik | Jan-Erik Lindqvist | Actor | 1955 - 1976 | 4 | |
| Lie, Tore | Tore Lie | Actor | 1978 | 2 | |
| Lund, Petter | Petter Lund | Actor | 1978 | 2 | |
| Laušević, Dragica | Dragica Laušević | Costume Designer | 2010 - 2011 | 4 | |
| Lasne, Augustin | Augustin Lasne | Actor | 2010 - 2012 | 3 | |
| Layton, Julie | Julie Layton | Actor | 2010 | 1 | |
| Latham, David | David Latham | Actor, Director | 1994 - 2010 | 2 | |
| Lumbard, Luke | Luke Lumbard | Actor | 2010 | 1 | |
| Layden, Penny | Penny Layden | Actor | 2012 | 1 | |
| Lindford, Peter | Peter Lindford | Actor | 2012 | 1 | |
| Laing, Stuart | Stuart Laing | Actor | 2012 | 1 | |
| List, Rüdiger | Rüdiger List | Director, Translator | 1984 | 2 | |
| Lucia, Emma | Emma Lucia | Director | 2012 - 2014 | 4 | |
| Leaver, Devon | Devon Leaver | Actor | 2012 | 1 | |
| Langley, Miranda | Miranda Langley | Actor | 2012 | 1 | |
| Lange, Johannes | Johannes Lange | Actor | 2012 | 8 | |
| Liimatta, Jeremy | Jeremy Liimatta | Director | 2012 | 1 | |
| Lynch, Sean | Sean Lynch | Actor | 2012 | 1 | |
| Lukaitis, Demetrio | Demetrio Lukaitis | Actor | 2012 | 1 | |
| Lancaster, Mark | Mark Lancaster | Actor | 1984 | 1 | |
| Lutz, Stans | Stans Lutz | Costume Designer, Designer | 1984 - 1997 | 14 | |
| Lucieër, Rudolf | Rudolf Lucieër | Actor | 1984 - 1997 | 12 | |
| Ludwig, Daniëlle | Daniëlle Ludwig | Dramaturg | 2012 - 2013 | 5 | |
| Larkin, Zoe | Zoe Larkin | Actor | 2012 | 1 | |
| Leemhuis, Casper | Casper Leemhuis | Lighting Designer, Sound Designer | 1995 - 2013 | 27 | |
| Laurie, James | James Laurie | Actor | 1984 | 1 | |
| Liebig, Ingeborg | Ingeborg Liebig | Actor | 1992 | 1 | |
| Lehmann, Kirsten E. | Kirsten E. Lehmann | Dramaturg | 1992 | 1 | |
| Lautenbach, Joachim | Joachim Lautenbach | Actor | 1990 - 1991 | 2 | |
| Leers, Jost | Jost Leers | Actor | 1986 - 1996 | 8 | |
| Lebbos, Nagham | Nagham Lebbos | Costume Designer | 2013 | 1 | |
| Lillis, Jessie | Jessie Lillis | Actor | 2013 | 1 | |
| Lupescu, Lea | Lea Lupescu | Actor | 2013 | 3 | |
| Lykke, Lizzi | Lizzi Lykke | Actor | 1990 | 1 | |
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