| Kuplais, Jānis | Jānis Kuplais | Actor | 1974 | 1 | |
| Kelly, Glenna Jo | Glenna Jo Kelly | Actor | 1974 | 1 | |
| Kolasek, Anja | Anja Kolasek | Actor | 1974 | 1 | |
| Kallenbach, Ilse | Ilse Kallenbach | Actor | 1974 | 1 | |
| Kaschenz, Kurt | Kurt Kaschenz | Director | 1974 | 1 | |
| Kalmár, Péter | Péter Kalmár | Actor | 1974 | 1 | |
| Keresztes, Pál | Pál Keresztes | Actor | 1974 | 1 | |
| Kępa, Andrzej | Andrzej Kępa | Actor | 1974 | 1 | |
| Krawczykowska, Irena | Irena Krawczykowska | Actor | 1974 | 1 | |
| Karnecki, Zbigniew | Zbigniew Karnecki | Musical Director | 1974 | 1 | |
| Kottas, Hanna | Hanna Kottas | Actor | 1974 | 1 | |
| Kafkaridis, Stelios | Stelios Kafkaridis | Actor | 1974 | 7 | |
| Karantinos, Sokratis | Sokratis Karantinos | Director | 1974 | 7 | |
| Kropf, Wolf-Karsten | Wolf-Karsten Kropf | Actor | 1974 | 1 | |
| Kelly, Clare | Clare Kelly | Actor | 1974 | 1 | |
| Keegan, Barry | Barry Keegan | Actor | 1974 | 1 | |
| Knights, Robert | Robert Knights | Director | 1974 | 1 | |
| Kumler, Daniel F. | Daniel F. Kumler | Actor | 1974 | 1 | |
| Krug, Eberhard, K. O. | Eberhard K. O. Krug | Actor | 1974 | 1 | |
| Kranich, Veronika | Veronika Kranich | Actor | 1974 | 1 | |
| Kagelmacher, Willi | Willi Kagelmacher | Actor | 1974 | 1 | |
| Kaulla, Guido von | Guido von Kaulla | Actor | 1974 | 1 | |
| Koch, Hermann | Hermann Koch | Actor | 1974 | 1 | |
| Kliemke, Werner | Werner Kliemke | Actor | 1974 | 1 | |
| Kenton, Mary | Mary Kenton | Actor | 1974 | 1 | |
| Knight, Elizabeth | Elizabeth Knight | Actor | 1974 | 1 | |
| Kay, Richard | Richard Kay | Actor | 1974 | 1 | |
| Kozma, Lajos | Lajos Kozma | Actor | 1974 | 1 | |
| Kovács, Ferenc | Ferenc Kovács | Designer | 1974 | 2 | 1 |
| Koos, Zsofia | Zsofia Koos | Actor | 1974 | 1 | |
| Konstantonov, Georgij, Viktorovič | Georgij Viktorovič Konstantonov | Director | 1974 | 1 | |
| Klockars, Kristina | Kristina Klockars | Actor | 1974 | 1 | |
| Kidd, John | John Kidd | Actor | 1974 | 1 | |
| Kroneberg, Immo | Immo Kroneberg | Actor | 1974 - 1975 | 2 | |
| Kihlman, Olle | Olle Kihlman | Actor | 1974 - 1975 | 2 | |
| Kamer, Martin | Martin Kamer | Costume Designer, Designer | 1974 - 1975 | 12 | |
| Kamas, Jerzy | Jerzy Kamas | Actor | 1974 - 1976 | 2 | |
| Kostova, Rossiza | Rossiza Kostova | Actor | 1974 - 1978 | 4 | |
| Kibart, David | David Kibart | Designer | 1974 - 1980 | 2 | |
| Káldi, Nóra | Nóra Káldi | Actor | 1974 - 1986 | 2 | |
| Kállai, Ferenc | Ferenc Kállai | Actor | 1974 - 1991 | 3 | 1 |
| Karellis, Dimitris | Dimitris Karellis | Actor | 1974 - 1992 | 4 | |
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