| Kelly, John | John Kelly | Lighting Designer | 2011 - 2018 | 2 | |
| Kawanishi, Mari | Mari Kawanishi | Actor | 2011 | 2 | |
| Kumar, Godaan | Godaan Kumar | Actor | 2016 - 2017 | 2 | |
| Kocsis, Gergely | Gergely Kocsis | Actor | 2016 - 2019 | 2 | |
| Kovács, Ferenc | Ferenc Kovács | Designer | 1974 | 2 | 1 |
| Kuhn, Gisela | Gisela Kuhn | Lighting Designer, Sound Designer | 2013 | 2 | |
| Krogh, Jørgen | Jørgen Krogh | Actor | 1959 | 2 | |
| Köbrich, Günter | Günter Köbrich | Actor | 1959 | 2 | |
| Kennedy, George | George Kennedy | Actor | 1951 - 1958 | 2 | |
| Krastel, Josef | Josef Krastel | Director | 1936 - 1958 | 2 | |
| Kemetmüller, Willi | Willi Kemetmüller | Actor | 1958 | 2 | |
| Kollhammer, Eveline | Eveline Kollhammer | Actor, Dancer | 1958 - 1962 | 2 | |
| Katsadramis, Thodoros | Thodoros Katsadramis | Actor | 1956 | 2 | |
| Kollmann, Ingeborg | Ingeborg Kollmann | Actor, Dancer | 1956 | 2 | |
| Kayssler, Christine | Christine Kayssler | Actor | 1956 - 1971 | 2 | |
| Kapeleris, Giannis | Giannis Kapeleris | Actor | 2013 - 2018 | 2 | |
| Kleiber, Walter | Walter Kleiber | Dancer | 1956 | 2 | |
| Karter, Egon | Egon Karter | Director | 1956 | 2 | |
| Knippenberg, Herbert, A. | Herbert A. Knippenberg | Actor | 1956 | 2 | |
| Köck, Eduard | Eduard Köck | Actor, Director | 1916 - 1920 | 2 | |
| Krisztik, Csaba | Csaba Krisztik | Actor | 2012 - 2013 | 2 | |
| Kramer-Johansen, Randi | Randi Kramer-Johansen | Choreographer | 1955 - 1956 | 2 | 1 |
| Kitagawa, Isamu | Isamu Kitagawa | Designer | 1955 - 1956 | 2 | |
| Kagias, Chrysanthos | Chrysanthos Kagias | Actor | 2013 | 2 | |
| Kjelle, Ragnvald | Ragnvald Kjelle | Actor | 1953 - 1954 | 2 | |
| Katz, Bernice | Bernice Katz | Actor | 1951 - 1952 | 2 | |
| Kraus, Sidney | Sidney Kraus | Actor | 1951 - 1952 | 2 | |
| Korsholm, Gisela | Gisela Korsholm | Actor | 1952 - 1954 | 2 | |
| Kurth, Henry | Henry Kurth | Designer, Lighting Designer | 1951 | 2 | |
| Kindler, Klaus | Klaus Kindler | Actor | 1954 | 2 | |
| Koffmane, Robert | Robert Koffmane | Actor | 1954 | 2 | |
| Kyle, Jean | Jean Kyle | Actor, Dancer | 1954 | 2 | |
| Karlsson, Bertil | Bertil Karlsson | Actor | 1953 | 2 | |
| Krüger, Uta | Uta Krüger | Actor | 1961 | 2 | |
| Kocher, Rosemarie | Rosemarie Kocher | Actor | 1961 | 2 | |
| Krieg, Rudolf | Rudolf Krieg | Actor | 1960 | 2 | |
| Kramer-Johansen, Willy | Willy Kramer-Johansen | Actor | 1947 - 1956 | 2 | |
| Kelly, Sean | Sean Kelly | Actor | 1963 | 2 | |
| Kalkun, Karl | Karl Kalkun | Actor | 1962 | 2 | |
| Korv, Ants | Ants Korv | Actor | 1962 | 2 | |
| Kincaid, Mark | Mark Kincaid | Actor | 2000 | 2 | |
| Kamenidis, Theodoros | Theodoros Kamenidis | Actor | 1930 | 2 | |
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