| Janssens, J. | J. Janssens | Actor | 1918 | 1 | |
| Jouvet, Louis | Louis Jouvet | Actor | 1908 - 1918 | 2 | |
| Johnsson, - | - Johnsson | Actor | 1919 | 1 | |
| Jarc, Miran | Miran Jarc | Translator | 1920 | 1 | |
| Jonsson, - | - Jonsson | Actor | 1920 | 2 | |
| Johannesen, Lars | Lars Johannesen | Actor | 1921 - 1923 | 2 | |
| Jolliffe, Maud | Maud Jolliffe | Actor | 1921 - 1928 | 4 | |
| Jiříkovský, Václav | Václav Jiříkovský | Director | 1922 | 1 | |
| Joseph, Helen Haiman | Helen Haiman Joseph | Actor | 1922 | 1 | |
| Juvan, Polonica | Polonica Juvan | Actor | 1922 - 1928 | 2 | |
| Janev, I. | I. Janev | Actor | 1922 | 1 | |
| Janeva, S. | S. Janeva | Actor | 1922 | 1 | |
| Jónsson, Pálmi | Pálmi Jónsson | Actor | 1923 | 1 | |
| Jovanović, Vojislav | Vojislav Jovanović | Translator | 1923 | 1 | |
| Juvan, Vida | Vida Juvan | Actor | 1923 - 1979 | 5 | |
| Jarzev, Pjotr Mihajlovitsch | Pjotr Mihajlovitsch Jarzev | Director | 1924 | 1 | |
| Juhl, Einar | Einar Juhl | Actor | 1924 - 1965 | 6 | |
| Jóhannesson, Brynjólfur | Brynjólfur Jóhannesson | Actor | 1924 - 1944 | 5 | |
| Jernberg, Alf | Alf Jernberg | Actor | 1925 | 1 | |
| J. M. Kerrigan | J. M. Kerrigan | Actor | 1925 - 1926 | 2 | |
| Jones, Mary Tupper | Mary Tupper Jones | Actor | 1925 | 1 | |
| Jones, Robert Edmond | Robert Edmond Jones | Costume Designer, Designer, Director | 1918 - 1932 | 4 | |
| Jeffers, Mr. | Mr. Jeffers | Actor | 1926 | 1 | |
| Jan, Slavko | Slavko Jan | Actor | 1926 - 1932 | 2 | |
| Jewett, Frances | Frances Jewett | Director | 1926 | 1 | |
| Jewett, Henry | Henry Jewett | Actor, Director | 1917 - 1926 | 3 | |
| Jubber, Rohn | Rohn Jubber | Designer | 1975 | 1 | |
| Joudová, Vĕra | Vĕra Joudová | Actor | 1971 | 1 | |
| Jirmář, Zbynĕk | Zbynĕk Jirmář | Actor | 1971 | 2 | |
| Junášek, Michael | Michael Junášek | Actor | 1971 | 1 | |
| Jones, Melanie | Melanie Jones | Actor | 1975 | 2 | |
| Juchniewicz, Grażyna | Grażyna Juchniewicz | Actor | 1974 | 1 | |
| Jankowska, Janina | Janina Jankowska | Actor | 1974 | 1 | |
| Jovanović, Sveta | Sveta Jovanović | Designer | 1974 | 1 | |
| Jirak, Engelbert | Engelbert Jirak | Actor | 1971 - 1973 | 3 | |
| Jungk, Theodora | Theodora Jungk | Actor | 1974 | 1 | |
| Johannsen, Lore | Lore Johannsen | Actor | 1971 - 1980 | 4 | |
| Johnson, Gladys | Gladys Johnson | Actor | 1928 | 1 | |
| Johnston, Hilda | Hilda Johnston | Actor | 1928 | 1 | |
| Johnston, Eddie | Eddie Johnston | Designer | 1975 | 1 | |
| Jenkins, David | David Jenkins | Designer | 1973 - 1994 | 3 | |
| Jülich, Margrit | Margrit Jülich | Actor | 1977 | 1 | |
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