| Kinzler, Johannes | Johannes Kinzler | Actor | 1991 | 1 | |
| Kruttke, Daniel | Daniel Kruttke | Actor | 1991 | 1 | |
| Kruttke, Katharina | Katharina Kruttke | Actor | 1991 | 1 | |
| Kraft-Alexander, - | - Kraft-Alexander | Director | 1964 | 1 | |
| Komanns, Paul Josef | Paul Josef Komanns | Designer | 1959 - 1964 | 2 | |
| Klaus, Rudolf U. | Rudolf U. Klaus | Translator | 1964 - 1971 | 4 | |
| Kehoe, Joyce | Joyce Kehoe | Actor | 1983 | 1 | |
| Koch, Danielle T. | Danielle T. Koch | Actor | 1990 | 1 | |
| Keith, Susan | Susan Keith | Actor | 1989 | 1 | |
| Killfoile, Michael | Michael Killfoile | Actor | 1993 | 1 | |
| Koutoukas, H.K. | H. K. Koutoukas (H.K. Koutoukas) | | | | |
| Koutoukas, H.M. | H. M. Koutoukas (H.M. Koutoukas) | Actor | 1956 | 1 | |
| Kol'cov, Ju. | Ju. Kol'cov | Actor | 1960 | 1 | |
| Kulesa, Tom | Tom Kulesa | Actor | 1994 - 1997 | 2 | |
| Krauze, Stanisław | Stanisław Krauze | Actor | 1989 | 1 | |
| Karwański, Edmund | Edmund Karwański | Actor | 1983 | 1 | |
| Krawczyk, Bernard | Bernard Krawczyk | Actor | 1989 | 1 | |
| Kijowska, Elżbieta | Elżbieta Kijowska | Actor | 1978 | 1 | |
| Kalinowski, Wojciech | Wojciech Kalinowski | Actor | 1978 | 1 | |
| Kiersznowski, Krzysztof | Krzysztof Kiersznowski | Actor | 1978 | 1 | |
| Kamińska-Nowakowska, Teresa | Teresa Kamińska-Nowakowska | Actor | 1978 | 1 | |
| Karolak, Andrzej | Andrzej Karolak | Actor | 1977 | 1 | |
| Korycka, Danuta | Danuta Korycka | Actor | 1972 | 1 | |
| Kwiatkowska, Danuta | Danuta Kwiatkowska | Actor | 1954 | 1 | |
| Klaer, Richard | Richard Klaer | Actor | 1966 | 1 | |
| Köth-Schäfer, Mrs. | Mrs. Köth-Schäfer | Actor | 1896 - 1898 | 3 | |
| Kramer, Josef | Josef Kramer | Actor | 1919 - 1924 | 6 | |
| Kiefer, Laura | Laura Kiefer | Actor | 2008 | 3 | |
| Kartal, Yeliz | Yeliz Kartal | Actor | 2005 | 1 | |
| Kramer, Rebecca | Rebecca Kramer | Actor | 2000 | 1 | |
| Klashman, Michael | Michael Klashman | Actor | 1994 | 1 | |
| Kamio, Kozo | Kozo Kamio | Lighting Designer | 1928 | 3 | |
| Kuckartz, Mathias | Mathias Kuckartz | Actor | 1905 - 1909 | 3 | |
| Klaers, Michael | Michael Klaers | Lighting Designer | 1999 - 2010 | 2 | |
| Keegan, Hugh | Hugh Keegan | Director, Lighting Designer | 1974 - 2008 | 2 | |
| Kopp, Fred | Fred Kopp | Lighting Designer | 1973 | 1 | |
| Kitabayashi, Tanie | Tanie Kitabayashi | Actor | 1958 | 1 | |
| Kolb, Yvette | Yvette Kolb | Actor | 1977 | 1 | |
| Kolbinger, Hannelore | Hannelore Kolbinger | Actor | 1973 | 1 | |
| Kleinman, Selma | Selma Kleinman | Actor | 2003 | 1 | |
| Kim, Daniel Dae | Daniel Dae Kim | Actor | 1993 | 1 | |
| Kochan, Felix | Felix Kochan | Actor | 1987 | 1 | |
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