| Kopacz, - | - Kopacz | Actor | 1910 | 1 | |
| Kaktiņš, Ādolfs | Ādolfs Kaktiņš | Actor | 1910 | 1 | |
| Kronbergs, Augusts | Augusts Kronbergs | Actor | 1910 - 1921 | 6 | |
| Kostula, H. | H. Kostula | Translator | 1910 | 1 | |
| Kułakowski, Zygmunt | Zygmunt Kułakowski | Actor | 1910 - 1913 | 5 | |
| Karasiński, Edmund | Edmund Karasiński | Actor | 1910 | 1 | |
| Kalinowski, Eugeniusz | Eugeniusz Kalinowski | Actor | 1910 | 1 | |
| Koksvik, Kari | Kari Koksvik | Actor | 1994 | 1 | |
| Kløvstad, Einar | Einar Kløvstad | Actor | 1994 | 1 | |
| Kottmann, Klaus | Klaus Kottmann | Lighting Designer | 2002 - 2007 | 3 | |
| Kampestuen, Akiko | Akiko Kampestuen | Mask Maker | 1990 | 1 | |
| Knudsen, Roy | Roy Knudsen | Sound Designer | 1990 - 2001 | 5 | |
| Kleiven, Nils | Nils Kleiven | Actor | 1990 - 1998 | 21 | |
| Korstad, Magne | Magne Korstad | Actor, Dancer | 1989 - 2004 | 24 | |
| Korstad, Ruth | Ruth Korstad | Actor, Dancer | 1989 - 2004 | 25 | |
| Klein, Lohne | Lohne Klein | Actor | 1991 | 1 | |
| Kleiven, Jostein | Jostein Kleiven | Actor | 1989 - 1998 | 10 | |
| Kolstad, Mette | Mette Kolstad | Actor | 1946 | 1 | |
| Kolstad, Gjertrud | Gjertrud Kolstad | Actor | 1957 | 1 | |
| Kaas, Low | Low Kaas | Costume Designer | 1959 - 1966 | 3 | |
| Konthe, Thomas | Thomas Konthe | Actor | 1973 | 1 | |
| Keyworth, John | John Keyworth | Actor | 1983 | 1 | |
| Komine, Lily | Lily Komine | Costume Designer | 1990 - 1994 | 4 | |
| Karlsen, Jens Petter | Jens Petter Karlsen | Actor | 1991 | 1 | |
| Kruse, Bjørn H. | Bjørn H. Kruse | Composer | 1991 | 38 | |
| Kwetzinsky, Joachim Kjelsaas | Joachim Kjelsaas Kwetzinsky | Actor | 1991 | 12 | |
| Kleiven, Helge | Helge Kleiven | Actor | 1992 | 2 | |
| Keyser, Dorthe Mowinckel | Dorthe Mowinckel Keyser | Actor, Costume Designer | 1985 - 1993 | 5 | |
| Knutsen, Arne | Arne Knutsen | Actor | 1978 - 2006 | 6 | |
| Knoph, Håvard | Håvard Knoph | Actor | 1971 - 1993 | 2 | |
| Kopperud, Trond | Trond Kopperud | Composer | 1993 | 12 | |
| Kokkinn, Anne Marit | Anne Marit Kokkinn | Actor | 1993 - 1994 | 2 | |
| Knoph, Marius | Marius Knoph | Actor | 1993 | 1 | |
| Koreh, Lina | Lina Koreh | Actor | 1993 | 1 | |
| Korstad, Liv Jorunn | Liv Jorunn Korstad | Actor | 1994 - 2001 | 9 | |
| Kleiven, Maren Eline | Maren Eline Kleiven | Actor | 1994 | 1 | |
| Kringstad, Åse | Åse Kringstad | Actor | 1994 - 1998 | 10 | |
| Kiran, Stein | Stein Kiran | Actor | 1994 - 2019 | 7 | |
| Kydland, Anne Jorunn | Anne Jorunn Kydland | Actor, Costume Designer, Designer, Director, Sound Designer | 1978 - 2013 | 7 | |
| Karlsen, Torgeir | Torgeir Karlsen | Costume Designer, Mask Maker | 1995 - 1997 | 5 | |
| Kleppe, Marius | Marius Kleppe | Actor | 1995 - 2006 | 3 | |
| Kavli, Anne Kristine | Anne Kristine Kavli | Actor | 1995 | 1 | |
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