| Kroese, Gerhard | Gerhard Kroese | Mask Maker | 1992 - 1995 | 3 | |
| Kurel, Rudolf | Rudolf Kurel | Mask Maker | 1972 | 1 | |
| Kres, Hans | Hans Kres | Mask Maker | 1959 - 1963 | 6 | |
| Kirchhoff, Otti | Otti Kirchhoff | Mask Maker | 1966 - 1977 | 2 | |
| König, Nina | Nina König | Mask Maker | 2014 - 2015 | 2 | |
| Kilpiö, Monica | Monica Kilpiö | Mask Maker | 1993 | 1 | |
| Kosse, Grit | Grit Kosse | Mask Maker | 1994 | 1 | |
| Kanto, Maija | Maija Kanto | Mask Maker | 1994 | 1 | |
| Keller, Helve | Helve Keller | Mask Maker | 1997 | 1 | |
| Krussenberg, Corinna | Corinna Krussenberg | Mask Maker | 1995 | 1 | |
| Kulle, Josefin | Josefin Kulle | Mask Maker | 2013 | 1 | |
| Kristensen, Thea, Holmberg | Thea Holmberg Kristensen | Mask Maker | 2015 - 2017 | 4 | |
| Kreyer, Herbert | Herbert Kreyer | Mask Maker | 1962 | 1 | |
| Kinspergher, Edith | Edith Kinspergher | Mask Maker | 1958 | 1 | |
| Keus, Kees | Kees Keus | Mask Maker | 1954 | 1 | |
| Krämer, Karl-Heinz | Karl-Heinz Krämer | Mask Maker | 1970 | 1 | |
| Kurtenbach, Christian S. | Christian S. Kurtenbach | Mask Maker | 2000 - 2001 | 2 | |
| Karlsen, Per | Per Karlsen | Mask Maker | 1976 - 1979 | 2 | |
| Krogh Larsen, Signe | Signe Krogh Larsen | Mask Maker | 1985 | 1 | |
| Kaljavina, Olga | Olga Kaljavina | Mask Maker | 2019 | 1 | |
| Karuna, Noï | Noï Karuna | Mask Maker | 2019 - 2020 | 16 | |
| Kanabaj, Maja | Maja Kanabaj | Mask Maker | 2022 | 1 | |
| Kugler, Josef | Josef Kugler | Musical Director | 1932 | 1 | |
| Kindler, Hans Dietrich | Hans Dietrich Kindler | Musical Director | 1937 | 1 | |
| Kennerknecht, Hans | Hans Kennerknecht | Musical Director | 1950 | 1 | |
| Karnecki, Zbigniew | Zbigniew Karnecki | Musical Director | 1974 | 1 | |
| Kabelač, Miroslav | Miroslav Kabelač | Musical Director | 1979 | 2 | |
| Kloke, Eberhard | Eberhard Kloke | Musical Director | 1975 | 1 | |
| Kovatzi-Skaltsa, Rena | Rena Kovatzi-Skaltsa | Musical Director | 1972 | 1 | |
| Kostřiba, Josef | Josef Kostřiba | Musical Director | 1988 | 1 | |
| Karger, Reinhard | Reinhard Karger | Musical Director | 1994 | 1 | |
| Kyriakaki-Loukissa, Olympia | Olympia Kyriakaki-Loukissa | Musical Director | 1978 - 2002 | 2 | |
| Krieg, Matthias | Matthias Krieg | Musical Director | 2016 | 1 | |
| Klinkenberg, Regina | Regina Klinkenberg | Musical Director | 2016 | 1 | |
| Kühlein, Fabian | Fabian Kühlein | Musical Director | 2011 | 1 | |
| Korth, Michael | Michael Korth | Musical Director | 2015 | 1 | |
| Kurn, Jeremy J. | Jeremy J. Kurn | Musical Director | 1999 | 1 | |
| Koutsoukos, Sakis | Sakis Koutsoukos | Musical Director | 1999 | 2 | |
| Kovacs, Dalma | Dalma Kovacs | Musical Director | 2016 | 1 | |
| Kirshenbaum, David | David Kirshenbaum | Musical Director | 1994 | 1 | |
| Kragset, Tove | Tove Kragset | Musical Director | 2019 | 1 | |
| Kalanov, Aleksansdar | Aleksansdar Kalanov | Musical Director | 2010 | 1 | |
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