| Kelly, Martin, L. | Martin L. Kelly | Actor | 1965 | 1 | |
| Kleemann, Fredi | Fredi Kleemann | Actor | 1965 | 2 | |
| Kneidinger, Lola | Lola Kneidinger | Actor | 1965 | 1 | |
| Kaiser, M.-G. | M.-G. Kaiser | Actor | 1965 | 1 | |
| Kreuziger, Peter | Peter Kreuziger | Actor | 1965 | 2 | |
| Kumano, Ryuji | Ryuji Kumano | Designer | 1965 | 1 | |
| Kovács, Dezső | Dezső Kovács | Director | 1965 | 1 | 1 |
| Kovács, Katalin | Katalin Kovács | Director | 1965 | 1 | |
| Kostka, Petr | Petr Kostka | Actor | 1964 - 2016 | 8 | 1 |
| Kulke, Konrad | Konrad Kulke | Costume Designer, Designer | 1964 - 2005 | 6 | 1 |
| Kleiber, Eleonore | Eleonore Kleiber | Costume Designer | 1964 - 2000 | 53 | |
| Kuple, Dina | Dina Kuple | Actor | 1964 - 1993 | 3 | 1 |
| Korposoff, Lars | Lars Korposoff | Actor | 1964 - 1991 | 24 | |
| Kanakis, Vasilis | Vasilis Kanakis | Actor | 1964 - 1990 | 4 | |
| Kunath, Gerd | Gerd Kunath | Actor | 1964 - 1990 | 2 | 1 |
| Koch, Knut | Knut Koch | Actor | 1964 - 1985 | 2 | |
| Kayser, Karl | Karl Kayser | Adaptation, Director | 1964 - 1984 | 3 | |
| Kneissler, Rose | Rose Kneissler | Actor | 1964 - 1977 | 3 | |
| Korn, Werner | Werner Korn | Actor | 1964 - 1977 | 3 | |
| Krūze, Velta | Velta Krūze | Actor | 1964 - 1975 | 2 | |
| Kantane, Ausma | Ausma Kantane | Actor | 1964 - 1975 | 2 | |
| Kalpaks, Alfons | Alfons Kalpaks | Actor | 1964 - 1975 | 2 | |
| Kontoulis, Giannis | Giannis Kontoulis | Actor | 1964 - 1975 | 3 | |
| Köttel, Heinz | Heinz Köttel | Costume Designer, Designer | 1964 - 1973 | 4 | |
| Krüger, Hannes | Hannes Krüger | Actor | 1964 - 1971 | 3 | |
| Klaus, Rudolf U. | Rudolf U. Klaus | Translator | 1964 - 1971 | 4 | |
| Knapp, Terence | Terence Knapp | Actor | 1964 - 1965 | 5 | |
| Knight, Donald | Donald Knight | Actor | 1964 | 1 | |
| Kraft-Alexander, - | - Kraft-Alexander | Director | 1964 | 1 | |
| Krška, Vladimír | Vladimír Krška | Actor | 1964 | 1 | |
| Karewicz, Emil | Emil Karewicz | Actor | 1964 | 1 | |
| Kupper, Fritz | Fritz Kupper | Actor | 1964 | 1 | |
| Kalniņš, Imants | Imants Kalniņš | Composer | 1964 | 1 | |
| Krivāns, Leons | Leons Krivāns | Actor | 1964 | 1 | |
| Kalfon, Jean-Pierre | Jean-Pierre Kalfon | Actor | 1964 | 1 | |
| Kötteritzsch, Fred | Fred Kötteritzsch | Actor | 1964 | 1 | |
| Kraus, Johannes | Johannes Kraus | Actor | 1964 | 1 | |
| Kajikawa, Fujie | Fujie Kajikawa | Costume Designer | 1964 | 1 | |
| Kay, Alison | Alison Kay | Actor | 1964 | 1 | |
| Kraus, Willy | Willy Kraus | Actor | 1964 | 1 | |
| Kashimura, Msako | Msako Kashimura | Costume Designer | 1964 | 1 | |
| Knuth, Bodo | Bodo Knuth | Actor | 1964 | 1 | |
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