| King, Kathy | Kathy King | Actor | 1969 - 1970 | 3 | |
| Kennedy, Patricia | Patricia Kennedy | Actor | 1969 - 1971 | 2 | |
| Kubečka, Ivo | Ivo Kubečka | Actor | 1969 - 1993 | 2 | |
| Kučera, Jan | Jan Kučera | Actor | 1969 - 2000 | 4 | |
| Kunert, Pavel | Pavel Kunert | Actor | 1969 - 2000 | 2 | |
| Köhncke, Peter | Peter Köhncke | Actor | 1970 | 1 | |
| Krasoo, Aleksandra | Aleksandra Krasoo | Actor | 1970 | 1 | |
| Kaljord, Kim | Kim Kaljord | Actor | 1970 | 1 | |
| Kinch, Karl | Karl Kinch | Actor | 1970 | 1 | |
| Kaufmann, Carla | Carla Kaufmann | Actor | 1970 | 2 | |
| Kornau, Eva | Eva Kornau | Actor | 1970 | 1 | |
| Kesler, Jackson | Jackson Kesler | Costume Designer | 1970 | 1 | |
| Kramer, Susan | Susan Kramer | Actor | 1970 | 1 | |
| Kovács, Eva | Eva Kovács | Actor | 1970 | 1 | |
| Krahl, Barbara | Barbara Krahl | Actor | 1970 | 1 | |
| Krämer, Karl-Heinz | Karl-Heinz Krämer | Mask Maker | 1970 | 1 | |
| Kenny, Sean | Sean Kenny | Designer | 1970 | 1 | |
| Kharibian, Leo | Leo Kharibian | Choreographer | 1970 | 1 | |
| Korotkevič, V. | V. Korotkevič | Director | 1970 | 1 | |
| Korotkevič, N. | N. Korotkevič | Actor | 1970 | 1 | |
| Kušnarev, R. | R. Kušnarev | Actor | 1970 | 1 | |
| Kovačević, Antoneta | Antoneta Kovačević (Антонета Ковачевиќ) | Actor | 1970 | 1 | |
| Kociniak, Jan | Jan Kociniak | Actor | 1970 - 1971 | 2 | |
| Kociniak, Marian | Marian Kociniak | Actor | 1970 - 1971 | 2 | |
| Kroll, Natasha | Natasha Kroll | Designer | 1970 - 1974 | 4 | |
| Korhel, Erna | Erna Korhel | Actor | 1970 - 1975 | 2 | |
| Križaj, Franci | Franci Križaj | Director | 1970 - 1986 | 2 | |
| Kretzer, Fred | Fred Kretzer | Actor | 1970 - 1990 | 6 | |
| Kutakov, V. | V. Kutakov | Actor | 1970 - 1990 | 2 | |
| Kemény, Árpád | Árpád Kemény | Costume Designer, Designer | 1970 - 1991 | 5 | |
| Koennecke, Klaus | Klaus Koennecke | Actor | 1970 - 1993 | 7 | |
| Kelling, Edgar | Edgar Kelling | Director | 1971 | 1 | |
| Kihlström, Anna | Anna Kihlström | Actor | 1971 | 1 | |
| Körmendi, Erika | Erika Körmendi | Actor | 1971 | 1 | |
| Kimbrough, Mary Jane | Mary Jane Kimbrough | Actor | 1971 | 1 | |
| Kilinger, Mimi | Mimi Kilinger | Actor | 1971 | 1 | |
| Koubová, Milena | Milena Koubová | Actor | 1971 | 1 | |
| Kubín, Josef | Josef Kubín | Actor | 1971 | 1 | |
| Kozák, Zdenĕk | Zdenĕk Kozák | Actor | 1971 | 1 | |
| Kuzyszyn, Ryszard | Ryszard Kuzyszyn | Designer | 1971 | 1 | |
| Kłopocki, Włodzimierz | Włodzimierz Kłopocki | Actor | 1971 | 1 | |
| Kwaśniewska, Sława | Sława Kwaśniewska | Actor | 1971 | 1 | |
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