| 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 | |
| Lindgren, Kurt | Kurt Lindgren | Composer | 1967 - 1968 | 3 | |
| Lonza, Tanko | Tanko Lonza | Actor | 1967 - 1977 | 2 | |
| Langeland, Øystein | Øystein Langeland (Oeystein Langeland) | Actor | 1967 - 1981 | 5 | |
| Lovejoy, Robin | Robin Lovejoy | Designer, Director | 1967 - 1982 | 2 | |
| Lunde, Eva, | Eva Lunde | Actor | 1967 - 1986 | 4 | |
| Lipp, Alfons | Alfons Lipp | Actor | 1967 - 1994 | 6 | |
| Lunøe, Lars | Lars Lunøe | Actor | 1967 - 2000 | 12 | |
| Lock, Ulla | Ulla Lock | Actor | 1968 | 1 | |
| Larsen, Niels Bjørn | Niels Bjørn Larsen | Choreographer | 1968 | 1 | |
| Little, Diane | Diane Little | Actor | 1968 | 1 | |
| Lampridou, Ilias | Ilias Lampridou | Actor | 1968 | 3 | |
| Lehmeyer, John | John Lehmeyer | Costume Designer | 1968 | 1 | |
| Lichtenstein, Art | Art Lichtenstein | Actor | 1968 | 1 | |
| Levin, Mona | Mona Levin | Actor | 1968 | 1 | |
| Lang, Charles | Charles Lang | Actor | 1968 | 2 | |
| Lockhart, Beverly | Beverly Lockhart | Actor | 1968 | 1 | |
| Lazareff, Serge | Serge Lazareff | Actor | 1968 | 1 | |
| Lee, Mark | Mark Lee | Actor | 1968 | 1 | |
| Lees, Paul | Paul Lees | Actor | 1968 | 1 | |
| Lassila, Iris-Lilja | Iris-Lilja Lassila | Actor | 1968 | 1 | |
| Lindfors, Jorma | Jorma Lindfors | Designer | 1968 | 1 | |
| Lemnaru, Ion | Ion Lemnaru | Actor | 1968 | 1 | |
| Lavric, Paul | Paul Lavric | Actor | 1968 | 1 | |
| Lechmus, A. | A. Lechmus | Composer | 1968 | 1 | |
| Lucía, Ricardo | Ricardo Lucía | Director | 1968 | 1 | |
| Ladygin, Mihail | Mihail Ladygin | Actor | 1968 | 1 | |
| Lazzarini, Giulia | Giulia Lazzarini | Actor | 1968 - 1969 | 3 | 3 |
| Langen, Inge | Inge Langen | Actor | 1968 - 1976 | 2 | |
| Larsen, John | John Larsen | Actor | 1968 - 1980 | 2 | |
| Lydersen, Lillian | Lillian Lydersen | Actor | 1968 - 1988 | 25 | |
| Lawless, James J. | James J. Lawless | Actor | 1968 - 1994 | 2 | |
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