| Lenkey, Vali | Vali Lenkey | Actor | 1958 | 1 | |
| Lopez, Daniel | Daniel Lopez | Actor | 1958 | 1 | |
| Lannerstedt, Ninja | Ninja Lannerstedt | Actor | 1958 | 1 | |
| Lloyd, Sherman | Sherman Lloyd | Actor | 1958 | 1 | |
| Lamb, Don | Don Lamb | Actor | 1958 | 1 | 1 |
| Lehmbrok, Peter | Peter Lehmbrok | Actor | 1958 | 1 | |
| Lajos, Mary | Mary Lajos | Costume Designer, Designer | 1958 | 2 | |
| Levite, R. | R. Levite | Director | 1958 | 1 | |
| Latham, Stuart | Stuart Latham | Director | 1958 | 1 | |
| Lang, Harold | Harold Lang | Actor | 1958 - 1959 | 2 | |
| Lambert, John | John Lambert | Composer | 1958 - 1959 | 2 | |
| Lindblad, Gunnar | Gunnar Lindblad | Designer | 1958 - 1961 | 2 | |
| László, Károly | Károly László | Actor | 1958 - 1996 | 3 | |
| Lundqvist, Christina | Christina Lundqvist | Actor | 1958 - 2005 | 3 | |
| León, Juan | Juan León | Designer, Dramaturg, Set Designer | 1958 - 2008 | 15 | |
| Lancet, Batia | Batia Lancet | Actor | 1959 | 1 | |
| Lebiush, Zalman | Zalman Lebiush | Actor | 1959 | 1 | |
| Lebiush, Yehudith | Yehudith Lebiush | Actor | 1959 | 1 | |
| Lubodziecka, Hanna | Hanna Lubodziecka | Actor | 1959 | 1 | |
| Lombardi, Vincent | Vincent Lombardi | Actor | 1959 | 2 | |
| Leasure, Cal | Cal Leasure | Actor | 1959 | 2 | |
| Laue, Fritz | Fritz Laue | Actor | 1959 | 1 | |
| Lenz, Gerhard | Gerhard Lenz | Actor | 1959 | 1 | |
| Lorimer, Enid | Enid Lorimer | Actor | 1959 | 2 | |
| Lilley, Edwin | Edwin Lilley | Actor | 1959 | 1 | |
| Landerholm, Ragnar | Ragnar Landerholm | Actor | 1959 | 6 | |
| Longford, Lord | Lord Longford | Costume Designer | 1959 | 1 | |
| Long, Mae | Mae Long | Actor | 1959 | 1 | |
| Lozinskaja, A. | A. Lozinskaja | Actor | 1959 | 1 | |
| Lavialle, Charles | Charles Lavialle | Actor | 1959 | 1 | |
| Luraschi, Adrienne | Adrienne Luraschi | Director | 1959 | 1 | |
| Lapsien, Ingeborg | Ingeborg Lapsien | Actor | 1959 - 1960 | 2 | |
| Lawler, Iris | Iris Lawler | Actor | 1959 - 1961 | 2 | |
| Lillo-Stenberg, Per | Per Lillo-Stenberg | Actor | 1959 - 1975 | 71 | |
| Linke, Anna, Maria | Anna Maria Linke | Translator | 1959 - 2006 | 8 | |
| Leeson, Victor | Victor Leeson | Actor | 1960 | 1 | |
| Lenkey, Edit | Edit Lenkey | Actor | 1960 | 1 | |
| Losonszky, Aranka | Aranka Losonszky | Actor | 1960 | 1 | |
| Laňka, Miroslav | Miroslav Laňka | Actor | 1960 | 1 | |
| Long, Roger | Roger Long | Actor | 1960 | 1 | |
| Lid, Sonja | Sonja Lid | Actor | 1960 | 1 | |
| Lefevre, Pierre | Pierre Lefevre | Director | 1960 | 2 | |
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