| Lovejoy, Robin | Robin Lovejoy | Designer, Director | 1967 – 1982 | 2 | |
| Lonza, Tanko | Tanko Lonza | Actor | 1967 – 1968 | 2 | |
| Lindgren, Kurt | Kurt Lindgren | Composer | 1967 – 1968 | 3 | |
| Lipp, Alfons | Alfons Lipp | Actor | 1967 | 6 | |
| Loebinger, Lotte | Lotte Loebinger | Actor | 1967 | 1 | |
| Lunde, Eva, | Eva Lunde | Actor | 1967 | 4 | |
| Langeland, Øystein | Øystein Langeland (Oeystein Langeland) | Actor | 1967 | 5 | |
| Lindekleiv, Bernt | Bernt Lindekleiv | Actor | 1967 | 1 | |
| Landa j.h., Vlad. | Vlad. Landa j.h. | Designer | 1967 | 1 | |
| Lee, Tom | Tom Lee | Actor | 1967 | 1 | |
| Lavino, Stephen | Stephen Lavino | Actor | 1967 | 2 | |
| Luporini, Charlotte | Charlotte Luporini | Actor | 1967 | 1 | |
| Lamb, Jill | Jill Lamb | Sound Designer | 1967 | 1 | |
| Lumm, Uta | Uta Lumm | Actor | 1967 | 2 | |
| Lobewein, Hans Georg | Hans Georg Lobewein | Actor | 1967 | 1 | |
| Lorenz, Elke | Elke Lorenz | Actor | 1967 | 1 | |
| Little, Charles | Charles Little | Actor | 1967 | 1 | |
| Lueck, David | David Lueck | Actor | 1967 | 1 | |
| Lehman, Helen | Helen Lehman | Actor | 1967 | 1 | |
| La Brasca, Bruno | Bruno La Brasca | Actor | 1967 | 1 | |
| Liljefors, Jerk | Jerk Liljefors | Adaptation, Director | 1967 | 2 | |
| Lehto, Leo | Leo Lehto | Designer | 1967 | 1 | |
| Lagerstam, Hillevi | Hillevi Lagerstam | Actor | 1967 | 1 | |
| Leino, Maija | Maija Leino | Actor | 1967 | 1 | |
| Louste, Tiia | Tiia Louste | Actor | 1967 | 1 | |
| Linna, Katri | Katri Linna | Actor | 1967 | 1 | |
| Lontou, Afroditi | Afroditi Lontou | Actor | 1967 | 2 | |
| Lier, Jürgen | Jürgen Lier | Actor | 1967 | 2 | |
| Lewis, Lorna | Lorna Lewis | Actor | 1967 | 1 | |
| Liefers, Heinz | Heinz Liefers | Actor | 1967 | 2 | |
| Laczkovich, Piroska | Piroska Laczkovich | Costume Designer | 1967 | 1 | |
| Larsen, Robert | Robert Larsen | Actor | 1966 – 1975 | 2 | |
| Löffler, Wolfgang | Wolfgang Löffler | Actor | 1966 | 1 | |
| Lindroos, Keijo | Keijo Lindroos | Actor | 1966 | 2 | |
| Lagergren, Åke | Åke Lagergren | Actor | 1966 | 3 | |
| Lähteenmäki, Leo | Leo Lähteenmäki | Actor | 1966 | 2 | |
| Lorange, Bruce | Bruce Lorange | Actor | 1966 | 1 | |
| Lichterman, Marvin, B. | Marvin B. Lichterman | Actor | 1966 | 1 | |
| Lewy, Tom | Tom Lewy | Actor | 1966 | 2 | |
| Lorenz, Doris | Doris Lorenz | Actor | 1966 | 1 | |
| Lorant, Georg | Georg Lorant | Actor | 1966 | 1 | |
| Lieff, Volker | Volker Lieff | Actor | 1966 | 1 | |
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