| Kleven, Elizabeth | Elizabeth Kleven | Actor | 1937 | 1 | |
| Koyman, Dany | Dany Koyman | Dancer | 1937 | 1 | |
| Kamossa, Käthe | Käthe Kamossa | Actor | 1937 | 1 | |
| King, Dennis | Dennis King | Actor | 1937 - 1938 | 7 | 1 |
| Klubertanz, Carl Heinz | Carl Heinz Klubertanz | Actor, Director | 1937 - 1938 | 8 | |
| Karsten, Nico | Nico Karsten | Actor | 1937 - 1938 | 2 | |
| Koller, Else | Else Koller | Actor | 1937 - 1938 | 2 | |
| Klietsch, Erwin | Erwin Klietsch | Actor | 1937 - 1939 | 4 | |
| Kinz, Franziska | Franziska Kinz | Actor | 1937 - 1944 | 2 | |
| Karsten, Fredy | Fredy Karsten | Actor | 1937 - 1945 | 3 | |
| Kuhlmann, Carl | Carl Kuhlmann | Actor | 1937 - 1957 | 5 | |
| Kalējs, Artūrs | Artūrs Kalējs | Actor | 1937 - 1964 | 2 | |
| Klam, Walter | Walter Klam | Actor | 1937 - 1966 | 3 | |
| Krasnânskij, Èmmanuil | Èmmanuil Krasnânskij (Эммануил Краснянский) | Director | 1938 | 1 | |
| Kirscht, Oskar | Oskar Kirscht | Actor | 1938 | 1 | |
| Kürzl, - | - Kürzl | Actor | 1938 | 1 | |
| Kammer, - | - Kammer | Actor | 1938 | 3 | |
| Kroll, - | - Kroll | Actor | 1938 | 1 | |
| Krüger, Margarethe | Margarethe Krüger | Actor | 1938 | 2 | |
| Klüsner, Carl | Carl Klüsner | Actor | 1938 | 1 | |
| Klatt, Herbert B. | Herbert B. Klatt | Actor | 1938 | 1 | |
| Kasten, Otto | Otto Kasten | Director | 1938 | 1 | |
| Kaiser, Hella | Hella Kaiser | Actor | 1938 | 1 | |
| Knoche, Albert | Albert Knoche | Actor | 1938 | 1 | |
| Kupfer, Hermann | Hermann Kupfer | Actor | 1938 | 1 | |
| Kühnlein, - | - Kühnlein | Actor | 1938 | 1 | |
| Kürzel, Gaby | Gaby Kürzel | Actor | 1938 | 1 | |
| Kugelgruber, Hans | Hans Kugelgruber | Actor | 1938 | 1 | |
| Kliková, Božena | Božena Kliková | Actor | 1938 | 1 | |
| Koch, Tod | Tod Koch | Actor | 1938 | 1 | |
| Kaplani, Lydia | Lydia Kaplani | Actor | 1938 | 1 | |
| Kline, William | William Kline | Designer | 1938 | 1 | |
| Keller, Virginia | Virginia Keller | Costume Designer | 1938 | 1 | |
| Kjær, Barbra | Barbra Kjær | Actor | 1938 | 1 | |
| Krylova, E. | E. Krylova | Actor | 1938 | 1 | |
| Kalipso, Nalča | Nalča Kalipso (Налча Калипсо) | Actor | 1938 | 1 | |
| Koenig, Else | Else Koenig | Actor | 1938 - 1939 | 2 | |
| Kampanis, Fanis | Fanis Kampanis | Actor | 1938 - 1939 | 3 | |
| Kurth, Otto | Otto Kurth | Actor, Director | 1938 - 1979 | 4 | |
| Kolstad, Henki | Henki Kolstad | Actor | 1938 - 1996 | 13 | 1 |
| Karam, Elena | Elena Karam | Actor | 1939 | 1 | |
| Kersten, Wolf | Wolf Kersten | Actor | 1939 | 1 | |
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