| Lartigau, Gérard | Gérard Lartigau | Actor | 1964 | 1 | |
| Lindfors, Viveca | Viveca Lindfors | Actor | 1964 | 1 | |
| Leneman, Leah | Leah Leneman | Actor | 1964 | 1 | |
| Lothar, Elisabeth | Elisabeth Lothar | Actor | 1964 | 1 | |
| Leich, Susan | Susan Leich | Actor | 1964 | 1 | |
| Litchfield, Ruby | Ruby Litchfield | Director | 1964 | 1 | |
| Lichtenfeld, Manfred | Manfred Lichtenfeld | Actor | 1964 | 2 | |
| Lang, Jochen | Jochen Lang | Actor | 1964 | 1 | |
| Lange, Rosella | Rosella Lange | Actor | 1964 | 1 | |
| Løwert, Karen, Marie | Karen Marie Løwert | Actor | 1964 | 1 | |
| Longmore, Wylie | Wylie Longmore | Actor | 1964 | 1 | |
| Leurzeanu, Gh. | Gh. Leurzeanu | Lighting Designer | 1964 | 2 | |
| Luca, Paul | Paul Luca | Sound Designer | 1964 | 2 | |
| Liotvejzen, V. | V. Liotvejzen | Actor | 1964 | 1 | |
| Latinovits, Zoltán | Zoltán Latinovits | Actor | 1964 | 1 | |
| Leblanc, Diana | Diana Leblanc | Actor, Director | 1963 - 2006 | 3 | |
| Løkkeberg, Pål | Pål Løkkeberg | Adaptation, Director, Translator | 1963 - 1999 | 55 | |
| Lekang, Per | Per Lekang | Costume Designer | 1963 - 1986 | 40 | |
| Lamprinou, Margarita | Margarita Lamprinou | Actor | 1963 - 1978 | 2 | |
| Leigh-Hunt, Barbara | Barbara Leigh-Hunt | Actor | 1963 - 1970 | 2 | |
| Leyden, Leo | Leo Leyden | Actor | 1963 - 1964 | 3 | |
| Leuwerik, Ruth | Ruth Leuwerik | Actor | 1963 - 1964 | 2 | |
| Larter, Betty | Betty Larter | Actor | 1963 | 1 | |
| Lloyd-Smith, Melvyn | Melvyn Lloyd-Smith | Actor | 1963 | 1 | |
| Lafferty, John | John Lafferty | Lighting Designer, Sound Designer | 1963 | 2 | |
| Leah, Tony | Tony Leah | Costume Designer, Designer | 1963 | 2 | |
| Lupu, Vasile | Vasile Lupu | Actor | 1963 | 1 | |
| Lucian, Vasile | Vasile Lucian | Actor | 1963 | 1 | |
| Lee, Sharon | Sharon Lee | Actor | 1963 | 1 | |
| Lewis, Bonda, Gay | Bonda Gay Lewis | Actor | 1963 | 1 | |
| Lundy, Ann | Ann Lundy | Mask Maker | 1963 | 1 | |
| Lee, Nancy | Nancy Lee | Actor | 1963 | 1 | |
| Lunin, Hanno | Hanno Lunin | Director | 1963 | 1 | |
| Lyon, Ronda | Ronda Lyon | Actor | 1963 | 1 | |
| Loft, Lee | Lee Loft | Actor | 1963 | 1 | |
| Levine, Michele | Michele Levine | Actor | 1963 | 1 | |
| La Prevotte, Mark | Mark La Prevotte | Actor | 1963 | 1 | |
| Laloux, Robert | Robert Laloux | Lighting Designer | 1963 | 1 | |
| Lindstrom, William | William Lindstrom | Actor | 1963 | 1 | |
| Lider, Isabelle | Isabelle Lider | Choreographer | 1963 | 1 | |
| Looze, Karen | Karen Looze | Actor | 1963 | 1 | |
| Lucena, José, Maria | José Maria Lucena | Actor | 1963 | 1 | |
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