| Lagerborg, Tom | Tom Lagerborg | Adaptation, Director, Translator | 1969 - 2004 | 8 | |
| Lee, Ming Cho | Ming Cho Lee | Designer | 1969 - 1998 | 2 | |
| Lukala, Juha | Juha Lukala | Costume Designer, Designer | 1969 - 1994 | 3 | |
| Loucká, Marie | Marie Loucká | Adaptation, Dramaturg | 1969 - 1990 | 2 | |
| Langeland, Ann-Britt | Ann-Britt Langeland | Actor | 1969 - 1978 | 25 | |
| Leder, Peter | Peter Leder | Director | 1969 | 1 | |
| Lipinsky, Miloslav | Miloslav Lipinsky | Choreographer | 1969 | 1 | |
| Love, Richard | Richard Love | Actor | 1969 | 1 | |
| Liškutín, Alois | Alois Liškutín | Actor | 1969 | 1 | |
| Lamparter, Vilém | Vilém Lamparter | Actor | 1969 | 1 | |
| Lett, Raymond | Raymond Lett | Designer | 1969 | 1 | |
| Long, Michael | Michael Long | Actor | 1969 | 1 | |
| Lengyel, Ildikó | Ildikó Lengyel | Actor | 1969 | 1 | |
| Lászay, Andrea | Andrea Lászay | Dancer | 1969 | 1 | |
| Lamprecht, Günter | Günter Lamprecht | Actor | 1969 | 1 | |
| Lastretti, Adolfo | Adolfo Lastretti | Actor | 1969 | 2 | |
| Lago, Salvatore | Salvatore Lago | Actor | 1969 | 2 | |
| Løberg, Berit | Berit Løberg | Actor, Dancer | 1969 | 2 | |
| Lepsøe, Sigvard | Sigvard Lepsøe | Actor | 1969 | 1 | |
| Lusk, Ian | Ian Lusk | Actor | 1969 | 1 | |
| Lilley, Margaret | Margaret Lilley | Actor | 1969 | 1 | |
| Lawson, Stephen, R. | Stephen R. Lawson | Actor | 1969 | 1 | |
| Livingston, Randall, M. | Randall M. Livingston | Actor | 1969 | 1 | |
| Leonescu, Adriana | Adriana Leonescu | Costume Designer, Designer | 1969 | 2 | |
| Lee, Ronald | Ronald Lee | Actor | 1969 | 2 | |
| Lamb, Peter | Peter Lamb | Actor | 1969 | 3 | |
| Lane, Judy | Judy Lane | Actor | 1969 | 1 | |
| López, Manuel | Manuel López | Actor | 1969 | 1 | |
| Lemos, Lola | Lola Lemos | Actor | 1969 | 1 | |
| López Sierra, Manuel | Manuel López Sierra | Actor | 1969 | 1 | |
| Lewin, Jan | Jan Lewin | Actor, Director, Translator | 1968 - 2014 | 10 | 1 |
| Lee, Eugene | Eugene Lee | Designer, Lighting Designer | 1968 - 2013 | 9 | 1 |
| Lakomý, Ladislav | Ladislav Lakomý | Actor | 1968 - 2012 | 3 | |
| Lawless, James J. | James J. Lawless | Actor | 1968 - 1994 | 2 | |
| Lydersen, Lillian | Lillian Lydersen | Actor | 1968 - 1988 | 25 | |
| Larsen, John | John Larsen | Actor | 1968 - 1980 | 2 | |
| Langen, Inge | Inge Langen | Actor | 1968 - 1976 | 2 | |
| Lazzarini, Giulia | Giulia Lazzarini | Actor | 1968 - 1969 | 3 | 3 |
| 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 | |
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