| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Grete Jacobsen | Actor | 1917 - 1918 | 2 | |||
| Ella Joachim | Actor | 1917 - 1921 | 2 | |||
| Henry Jewett | Actor, Director | 1917 - 1926 | 3 | |||
| Robert Jenny | Actor | 1917 - 1935 | 10 | 1 | ||
| Karl Jørgensen | Actor | 1917 - 1937 | 11 | |||
| - Jahnens | Actor | 1918 | 2 | |||
| Toni Jensen | Actor | 1918 | 1 | |||
| Loni Jensen | Actor | 1918 | 2 | |||
| J. Janssens | Actor | 1918 | 1 | |||
| Magda Jankovics | Actor | 1918 | 1 | |||
| Luzia John | Actor | 1918 | 1 | |||
| Rudolf Jonas | Conductor | 1918 | 1 | |||
| Edwin Jürgensen | Actor | 1918 - 1929 | 4 | |||
| Robert Edmond Jones | Costume Designer, Designer, Director | 1918 - 1932 | 4 | |||
| Fritz Jacobi | Actor | 1919 | 1 | |||
| Ingrid Johansen | Actor | 1919 | 1 | 1 | ||
| - Johnsson | Actor | 1919 | 1 | |||
| Axel Janse | Actor | 1919 | 1 | |||
| Ejner Jørgensen | Actor | 1919 - 1921 | 2 | |||
| Johannes Jensen | Actor | 1919 - 1924 | 6 | 3 | ||
| Emanuel Jørgensen | Actor | 1919 - 1931 | 2 | |||
| Edith Jamrath | Actor | 1919 - 1937 | 6 | |||
| Fränze Jakobi | Actor | 1920 | 1 | |||
| Miran Jarc | Translator | 1920 | 1 | |||
| - Jonsson | Actor | 1920 | 2 | |||
| Arne Johansen | Actor | 1920 | 1 | 1 | ||
| Aldona Jasińska | Actor | 1920 - 1926 | 2 | |||
| Vojislav Jovanović | Actor | 1920 - 1935 | 2 | |||
| Hermann Jenny | Designer | 1921 | 1 | |||
| Jeannot Janson | Actor | 1921 | 1 | |||
| Else Johannsen | Actor | 1921 | 1 | |||
| Gertrud Jablonsky | Actor | 1921 | 1 | |||
| Else Jörn | Actor | 1921 | 1 | |||
| Lars Johannesen | Actor | 1921 - 1923 | 2 | |||
| Maud Jolliffe | Actor | 1921 - 1928 | 4 | |||
| Victor Jory | Actor | 1921 - 1946 | 3 | |||
| Douglas Jefferies | Actor | 1921 - 1950 | 2 | |||
| Ebba Johannsen | Actor | 1921 - 1971 | 5 | |||
| Thea Jabus | Actor | 1922 | 1 | |||
| Václav Jiříkovský | Director | 1922 | 1 | |||
| Helen Haiman Joseph | Actor | 1922 | 1 | |||
| I. Janev | Actor | 1922 | 1 | |||