| Knoblauch, William | William Knoblauch | Actor | 1928 - 1956 | 6 | |
| Kancellary, Roger | Roger Kancellary | Actor | 1928 | 1 | |
| Kristoffersen, Knute | Knute Kristoffersen | Actor | 1928 | 1 | |
| Kihle, Aase | Aase Kihle | Actor | 1928 | 14 | |
| Kavenaugh, Dorrie | Dorrie Kavenaugh | Actor | 1977 | 1 | |
| Konuschlieva, Rajna | Rajna Konuschlieva | Translator | 1977 - 1983 | 3 | |
| Kiss, Irén | Irén Kiss | Actor | 1928 | 3 | |
| Kent, Sherryn | Sherryn Kent | Actor | 1973 | 1 | |
| Kjelsberg, Sverre | Sverre Kjelsberg | Actor, Composer | 1975 - 1976 | 18 | |
| Knauthe, Günther | Günther Knauthe | Actor | 1973 | 1 | |
| Kaiser, - | - Kaiser | Actor | 1928 | 1 | |
| Kotzé, J. | J. Kotzé | Actor | 1928 | 1 | |
| Kreysern, Eberhard | Eberhard Kreysern | Actor | 1920 - 1928 | 2 | |
| Krogh, Arne | Arne Krogh | Actor | 1928 - 1935 | 3 | |
| Kingsley, Susan, Cardwell | Susan Cardwell Kingsley | Actor | 1972 | 1 | |
| Klein, Barbara | Barbara Klein | Actor | 1975 - 1991 | 2 | |
| Klingenberg, Axel | Axel Klingenberg | Actor | 1975 | 1 | |
| Kiskiinen, Tero | Tero Kiskiinen | Designer | 1978 | 1 | |
| Kämpfer, Julika | Julika Kämpfer | Actor | 1973 | 1 | |
| Kepich, Holger | Holger Kepich | Actor | 1973 | 1 | |
| Kayser, Frode | Frode Kayser | Actor | 1978 | 1 | |
| Kippersund, Inga Live | Inga Live Kippersund | Actor, Choreographer | 1978 - 2019 | 5 | |
| König, Wilhelm | Wilhelm König | Actor | 1960 - 1973 | 3 | |
| Kohlund, Christian | Christian Kohlund | Actor | 1973 | 1 | |
| Kanzaï, - | - Kanzaï | Composer | 2002 | 2 | |
| Koné, Manibi | Manibi Koné | Actor | 2002 | 2 | |
| Kruse, Jan | Jan Kruse | Actor | 1998 | 2 | |
| Khell, Zsolt | Zsolt Khell | Designer | 2007 - 2010 | 6 | |
| Kindahl, Janne | Janne Kindahl | Mask Maker | 2002 - 2003 | 6 | |
| Krogstad, Jenny | Jenny Krogstad | Mask Maker | 1971 | 1 | |
| Keir, Sasha | Sasha Keir | Costume Designer | 1990 | 2 | |
| Kolehmainen, Eero-Pekka | Eero-Pekka Kolehmainen | Composer | 1995 - 1996 | 2 | |
| Klintrup, Anna-Maria | Anna-Maria Klintrup | Actor | 1995 - 1996 | 2 | |
| Kiiskinen, Vera | Vera Kiiskinen | Actor | 1995 - 1996 | 2 | |
| Kabre, Athanase | Athanase Kabre | Actor | 1992 | 2 | |
| Kabore, Mathieu | Mathieu Kabore | Actor | 1992 | 1 | |
| Kortekaas, Niek | Niek Kortekaas | Costume Designer, Designer, Lighting Designer | 1992 - 1998 | 8 | |
| Kroese, Gerhard | Gerhard Kroese | Mask Maker | 1992 - 1995 | 3 | |
| Kalinina, Elena | Elena Kalinina | Actor | 1996 - 2013 | 2 | |
| Kiszkis, Jerzy | Jerzy Kiszkis | Actor | 1992 - 2001 | 3 | |
| Kolak, Dorota | Dorota Kolak | Actor | 1992 - 2001 | 3 | |
| Krobot, Ivo | Ivo Krobot | Director | 1995 - 1996 | 2 | |
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