| Knabe, Herbert | Herbert Knabe (Herbert Knabe) | Actor | 1935 - 1936 | 2 | |
| Koch, Lotte | Lotte Koch (Lotte Koch) | Actor | 1936 - 1937 | 2 | |
| Kuhr, Paul | Paul Kuhr (Paul Kuhr) | Actor | 1936 | 2 | |
| Körbs, Herbert | Herbert Körbs (Herbert Körbs) | Actor, Director | 1936 - 1938 | 2 | |
| Karsten, Nico | Nico Karsten (Nico Karsten) | Actor | 1937 - 1938 | 2 | |
| Koller, Else | Else Koller (Else Koller) | Actor | 1937 - 1938 | 2 | |
| Krüger, Margarethe | Margarethe Krüger (Margarethe Krüger) | Actor | 1938 | 2 | |
| Kalvius, Rudolf | Rudolf Kalvius (Rudolf Kalvius) | Actor | 1939 | 2 | |
| Kupfer, Ellen | Ellen Kupfer (Ellen Kupfer) | Actor | 1941 - 1955 | 2 | |
| Kammil, Norbert | Norbert Kammil (Norbert Kammil) | Actor | 1941 - 1964 | 2 | |
| Kohlund, Erwin | Erwin Kohlund (Erwin Kohlund) | Actor | 1946 - 1955 | 2 | |
| Kurt, Fred | Fred Kurt (Fred Kurt) | Actor | 1947 - 1949 | 2 | |
| Kohls, Walter | Walter Kohls (Walter Kohls) | Actor | 1950 - 1961 | 2 | |
| Koumarioti, Eleni | Eleni Koumarioti (Eleni Koumarioti) | Actor | 1903 | 2 | |
| Kassabov, Dotscho | Dotscho Kassabov (Dotscho Kassabov) | Actor | 1903 - 1915 | 2 | |
| Kosiński, Feliks | Feliks Kosiński (Feliks Kosiński) | Actor | 1903 | 2 | |
| Kliszewski, Antoni | Antoni Kliszewski (Antoni Kliszewski) | Actor | 1903 - 1906 | 2 | |
| Kalff, Marie | Marie Kalff (Marie Kalff) | Actor | 1904 - 1928 | 2 | |
| Korczak-Wesołowski, Zygmunt | Zygmunt Korczak-Wesołowski (Zygmunt Korczak-Wesołowski) | Actor | 1904 - 1905 | 2 | |
| Kotljarevski, Stefan Mladenov | Stefan Mladenov Kotljarevski (Stefan Mladenov Kotljarevski) | Translator | 1904 - 1905 | 2 | |
| Kolthoff, Signe | Signe Kolthoff (Signe Kolthoff) | Actor | 1905 | 2 | |
| Krössing, Adolf | Adolf Krössing (Adolf Krössing) | Actor, Director | 1905 | 2 | |
| Kotopouli-Loui, Foteini | Foteini Kotopouli-Loui (Foteini Kotopouli-Loui) | Actor | 1906 - 1907 | 2 | |
| Kouris, Nikolaos | Nikolaos Kouris (Nikolaos Kouris) | Actor | 1906 | 2 | |
| Kempner, Gabriel | Gabriel Kempner (Gabriel Kempner) | Translator | 1906 - 1918 | 2 | |
| Korčagina, E. P. | E. P. Korčagina (E. P. Korčagina) | Actor | 1903 - 1906 | 2 | |
| Kruckenberg, Ivan | Ivan Kruckenberg (Ivan Kruckenberg) | Actor | 1907 - 1908 | 2 | |
| Kaupiņa, Anna | Anna Kaupiņa (Anna Kaupiņa) | Actor | 1908 - 1909 | 2 | |
| Kelemen, Mária | Mária Kelemen (Mária Kelemen) | Actor | 1908 - 1931 | 2 | |
| Kamińska, Jadwiga | Jadwiga Kamińska (Jadwiga Kamińska) | Actor | 1908 - 1910 | 2 | |
| Keenan, Reta E. | Reta E. Keenan (Reta E. Keenan) | Actor | 1909 | 2 | 1 |
| Keeman, W.M. | W. M. Keeman (W.M. Keeman) | Actor | 1909 | 2 | |
| Keasbey, R.Q. | R. Q. Keasbey (R.Q. Keasbey) | Actor | 1909 | 2 | |
| Kofoed, Juul | Juul Kofoed (Juul Kofoed) | Actor | 1910 | 2 | |
| Kahan, Bente | Bente Kahan (Bente Kahan) | Actor | 1990 - 1991 | 2 | 1 |
| Kleiven, Helge | Helge Kleiven (Helge Kleiven) | Actor | 1992 | 2 | |
| Knoph, Håvard | Håvard Knoph (Håvard Knoph) | Actor | 1971 - 1993 | 2 | |
| Kokkinn, Anne Marit | Anne Marit Kokkinn (Anne Marit Kokkinn) | Actor | 1993 - 1994 | 2 | |
| Kingshill, Sophia | Sophia Kingshill (Sophia Kingshill) | Adaptation | 1995 - 1996 | 2 | |
| Kiran, Hartvig | Hartvig Kiran (Hartvig Kiran) | Translator | 1973 - 1995 | 2 | |
| Kvalbein, Scott Maurstad | Scott Maurstad Kvalbein (Scott Maurstad Kvalbein) | Actor | 1998 | 2 | |
| Kolloen, Silje Kristine | Silje Kristine Kolloen (Silje Kristine Kolloen) | Actor | 1999 | 2 | |
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