| Lupton, Linda | Linda Lupton | Actor | 1997 | 1 | |
| Loj, Juraj | Juraj Loj | Actor | 2007 – 2015 | 4 | |
| Lindsay, Priscilla | Priscilla Lindsay | Actor | 2001 | 1 | |
| Loreti, Pino | Pino Loreti | Actor | 2001 | 1 | |
| Liland, Trond | Trond Liland | Actor | 1989 | 1 | |
| Loverbosch, Leonie | Leonie Loverbosch | Costume Designer | 1989 | 1 | |
| L. Ramsey, Tracy | Tracy L. Ramsey | Costume Designer | 2003 | 1 | |
| Lorenci, Minca | Minca Lorenci | Actor | 2003 | 1 | |
| Lakner, Daša | Daša Lakner | Actor, Dramaturg | 2003 | 2 | |
| La Botz, Jake | Jake La Botz | Actor, Composer | 2003 | 2 | |
| Lukács, M. | M. Lukács | Actor | 1931 | 2 | |
| Lee, Barry | Barry Lee | Actor | 1989 | 4 | |
| Leaming, Greg | Greg Leaming | Dramaturg | 1989 | 1 | |
| Lane, Heatherlynn | Heatherlynn Lane | Lighting Designer | 2003 | 1 | |
| Luther, Marius | Marius Luther | Dramaturg | 1989 | 1 | |
| Lhuillier, Caroline | Caroline Lhuillier | Actor | 2003 | 4 | |
| Lamour, Michaël | Michaël Lamour | Actor | 2003 | 4 | |
| Lutz, Peter | Peter Lutz | Actor | 1997 | 5 | |
| Lorenz, Regina | Regina Lorenz | Designer | 2003 | 2 | |
| Lock-Hansen, Steen | Steen Lock-Hansen | Costume Designer, Designer | 2003 | 2 | |
| Loring, Kevin | Kevin Loring | Actor | 2003 | 1 | |
| Latchford, Barry | Barry Latchford | Actor | 2003 | 6 | |
| Lewis, Kristian | Kristian Lewis | Actor | 2003 | 7 | |
| Levin, David | David Levin | Director | 2003 | 1 | |
| Ludovici, Jim | Jim Ludovici | Actor | 2001 | 1 | |
| Leavitt, David Ben | David Ben Leavitt | Director | 2001 | 1 | |
| Leavitt, Julie | Julie Leavitt | Producer | 2001 | 1 | |
| Lake, Julie | Julie Lake | Actor | 2003 – 2006 | 2 | |
| Loye, James | James Loye | Actor | 2003 | 7 | |
| Lind, Karin | Karin Lind | Costume Designer, Designer | 2003 | 9 | |
| Lumiste, Ann | Ann Lumiste | Costume Designer | 2003 | 1 | |
| LeMee, Maurice | Maurice LeMee | Director | 2003 | 1 | |
| Langer, Eva-Christina | Eva-Christina Langer | Actor | 2001 – 2003 | 40 | |
| Lukács, Margit | Margit Lukács | Actor | 1941 | 1 | |
| Lyssewski, Dörte | Dörte Lyssewski | Actor | 2003 – 2005 | 3 | |
| Ladányi, Ferenc | Ferenc Ladányi | Actor | 1944 | 3 | |
| Loïzidis, Loris | Loris Loïzidis | Actor | 2003 | 1 | |
| Lacombe, Philippe | Philippe Lacombe | Lighting Designer | 1999 – 2008 | 17 | |
| Lévêque, Guillaume | Guillaume Lévêque | Dramaturg | 2003 – 2004 | 5 | |
| Larroche, Jean-Pierre | Jean-Pierre Larroche | Designer | 2001 | 13 | |
| Lamotte, Kevin | Kevin Lamotte | Lighting Designer | 1989 – 2016 | 4 | |
| Lawrence, Walter | Walter Lawrence | Sound Designer | 1989 | 1 | |
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