| Karlbeck, Marianne | Marianne Karlbeck | Actor | 1955 - 1994 | 4 | |
| Kitamura, Masako | Masako Kitamura | Actor | 1955 - 1991 | 3 | |
| Kolliner, Bedřich | Bedřich Kolliner | Actor | 1955 - 1973 | 3 | 1 |
| Kleber, Irmgard | Irmgard Kleber | Actor | 1955 - 1968 | 2 | |
| Kubalski, Tadeusz | Tadeusz Kubalski | Actor, Director | 1955 - 1957 | 3 | |
| Kramer-Johansen, Randi | Randi Kramer-Johansen | Choreographer | 1955 - 1956 | 2 | 1 |
| Kitagawa, Isamu | Isamu Kitagawa | Designer | 1955 - 1956 | 2 | |
| Kjeldbjerg, Bjarne | Bjarne Kjeldbjerg | Actor | 1955 | 1 | |
| Kosiorek, Wacsaw | Wacsaw Kosiorek | Designer | 1955 | 1 | |
| Kotapis, J. | J. Kotapis | Actor | 1955 | 1 | |
| Kleinová, Vlasta | Vlasta Kleinová | Actor | 1955 | 1 | 1 |
| Koláček, Josef | Josef Koláček | Actor | 1955 | 1 | 1 |
| Korrontay, Michael | Michael Korrontay | Actor | 1955 | 3 | |
| Kühne, Wolfgang | Wolfgang Kühne | Actor | 1955 | 3 | |
| Kaplan, Mario | Mario Kaplan | Director | 1955 | 1 | |
| Kölblinger, Oskar | Oskar Kölblinger | Actor | 1955 | 1 | |
| Kirkenær, Even | Even Kirkenær | Actor | 1955 | 1 | |
| Kravina, Herta | Herta Kravina | Actor | 1955 | 1 | |
| Kallweit, Gisela | Gisela Kallweit | Actor | 1955 | 1 | |
| Krauleidies, Klaus | Klaus Krauleidies | Actor | 1955 | 1 | |
| Konjović, Jovan | Jovan Konjović | Director | 1955 | 1 | |
| Kerkez, S | S Kerkez | Actor | 1955 | 1 | |
| Küfner, Rudolf | Rudolf Küfner | Designer | 1955 | 1 | |
| Knowles, Patrick | Patrick Knowles | Actor | 1954 - 2001 | 3 | |
| Karsten, Herbert | Herbert Karsten | Actor | 1954 - 1989 | 7 | |
| Kőmives, Sándor | Sándor Kőmives | Actor | 1954 - 1989 | 7 | |
| Koszutska, Olga | Olga Koszutska | Adaptation, Director | 1954 - 1978 | 8 | |
| Kraßnitzer, Hanns | Hanns Kraßnitzer | Actor | 1954 - 1967 | 2 | |
| Kerlé, Heta | Heta Kerlé | Costume Designer | 1954 - 1963 | 2 | |
| Kaulbach, Margret | Margret Kaulbach | Costume Designer | 1954 - 1963 | 3 | |
| Kempson, Rachel | Rachel Kempson | Actor | 1954 - 1955 | 12 | 1 |
| Karczewski, Zdzisław | Zdzisław Karczewski | Actor, Director | 1954 | 2 | |
| Koczka, Gyula | Gyula Koczka | Actor | 1954 | 1 | |
| Kreibich, Margit | Margit Kreibich | Costume Designer | 1954 | 1 | |
| Konšelová, Naďa | Naďa Konšelová | Actor | 1954 | 1 | |
| Kwiatkowska, Danuta | Danuta Kwiatkowska | Actor | 1954 | 1 | |
| Kamins, Alene | Alene Kamins | Actor | 1954 | 1 | |
| Klotz, Klara | Klara Klotz | Actor | 1954 | 1 | |
| Keeser, Sophie | Sophie Keeser | Actor | 1954 | 1 | |
| Kuijper, Diny | Diny Kuijper | Actor | 1954 | 1 | |
| Kortenrayx, Miek | Miek Kortenrayx | Actor | 1954 | 1 | |
| Kocks, Hans | Hans Kocks | Musician | 1954 | 1 | |
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