| Jatho, Heinz, | Heinz Jatho | Actor | 1914 | 1 | |
| Jensch, Elise, | Elise Jensch | Actor | 1914 | 6 | |
| José, -, | - José | Actor | 1914 | 2 | |
| Jooß, Walther, | Walther Jooß | Actor | 1914 | 1 | |
| Järnefelt, Liva, | Liva Järnefelt | Actor | 1914 | 1 | |
| Jensen, Axel | Axel Jensen | Actor | 1914 | 2 | |
| Järnefelt, Armas | Armas Järnefelt | Conductor | 1914 | 1 | |
| Jannings, Emil, | Emil Jannings | Actor | 1914 – 1918 | 11 | |
| Jubelsky, Ludwig, | Ludwig Jubelsky | Actor | 1915 | 3 | |
| John, Georg, | Georg John | Actor | 1915 | 4 | |
| Jordanova, Elena, | Elena Jordanova | Actor | 1915 | 1 | |
| Jackson, Barry V., | Barry V. Jackson | Costume Designer, Designer | 1915 | 4 | |
| Jensen, Svend, | Svend Jensen | Actor | 1915 | 1 | |
| Jacobsen, Elvin, | Elvin Jacobsen | Actor | 1915 | 1 | |
| Jasińka, Michalina | Michalina Jasińka | Actor | 1915 | 1 | |
| Jabłoński, Jerzy | Jerzy Jabłoński | Actor | 1915 | 1 | |
| Jakóbowska, Gina | Gina Jakóbowska | Actor | 1915 | 1 | |
| Jefferson, Thomas | Thomas Jefferson | Actor | 1915 | 1 | |
| Jacobi, -, | - Jacobi | Actor | 1916 | 1 | |
| Jachtmann, Friedrich, | Friedrich Jachtmann | Actor | 1916 | 1 | |
| Jähnert, Dina, | Dina Jähnert | Actor | 1916 | 1 | |
| Jacobi, Flory, | Flory Jacobi | Actor | 1916 | 3 | |
| Johansen, Karl, | Karl Johansen | Actor | 1916 | 1 | |
| Jastrzębiec-Rudnicki, Walery, | Walery Jastrzębiec-Rudnicki | Actor | 1916 | 1 | |
| Jännes, Paavo | Paavo Jännes | Actor | 1916 | 4 | |
| Jonassen, Astrid | Astrid Jonassen | Actor | 1916 | 1 | |
| Josephsen, Svend | Svend Josephsen | Actor | 1916 | 1 | |
| Janson, Emil, | Emil Janson | Actor | 1916 – 1948 | 3 | |
| Johanson, Erik, | Erik Johanson | Actor | 1917 | 1 | |
| Jäger, Hugo, | Hugo Jäger | Actor | 1917 | 2 | |
| Jacobsen, Grete, | Grete Jacobsen | Actor | 1917 | 2 | |
| Joachim, Ella, | Ella Joachim | Actor | 1917 | 2 | |
| Jewett, Henry | Henry Jewett | Actor, Director | 1917 | 3 | |
| Jacobsen, Otto | Otto Jacobsen | Actor | 1917 | 1 | |
| Jensen, Anna | Anna Jensen | Actor | 1917 | 1 | |
| Joy, Nicholas | Nicholas Joy | Actor | 1917 | 1 | |
| Jacoby, Friedl | Friedl Jacoby | Actor | 1917 | 1 | |
| Jeitner, Mr. | Mr. Jeitner | Actor | 1917 | 1 | |
| Juhn, Hugo | Hugo Juhn | Actor | 1917 | 1 | |
| Joachim, Alice | Alice Joachim | Actor | 1917 | 1 | |
| Jenny, Robert, | Robert Jenny | Actor | 1917 – 1935 | 10 | |
| Jørgensen, Karl | Karl Jørgensen | Actor | 1917 – 1937 | 11 | |
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