| Jónasdóttir, Emelía | Emelía Jónasdóttir | Actor | 1944 - 1962 | 2 | |
| Jessen, Henry | Henry Jessen | Actor | 1944 - 1978 | 6 | |
| Johnston, Oliver | Oliver Johnston | Actor | 1946 | 1 | |
| Jacobsen, Ansgar | Ansgar Jacobsen | Actor | 1946 | 1 | |
| Józefowicz, Leon | Leon Józefowicz | Actor | 1946 | 1 | |
| Judkins, Esther | Esther Judkins | Actor | 1946 | 3 | |
| Jones, Ruth Ann | Ruth Ann Jones | Actor | 1946 | 2 | |
| Jackson, Helen, Alice | Helen Alice Jackson | Actor | 1946 | 1 | |
| Jackson, Anne | Anne Jackson | Actor | 1946 - 1950 | 3 | |
| Jauregui, Noureen | Noureen Jauregui | Actor | 1947 | 1 | |
| Jackson, Scott | Scott Jackson | Designer, Lighting Designer | 1947 | 2 | |
| Jorgensen, Franc | Franc Jorgensen | Actor | 1947 | 2 | |
| Jacobs, Carl | Carl Jacobs | Actor | 1947 | 1 | |
| Johnson, Kenneth | Kenneth Johnson | Actor | 1947 | 1 | |
| Jones, Margo | Margo Jones | Director | 1947 | 1 | |
| James, Spencer | Spencer James | Actor | 1947 | 1 | |
| Jacobsen, Karin | Karin Jacobsen | Actor | 1948 | 1 | |
| Janda, Karel | Karel Janda | Actor | 1948 | 1 | |
| jelmezkölcsönző, Rácz | Rácz jelmezkölcsönző | Costume Designer | 1948 | 1 | |
| Johnston, Helen | Helen Johnston | Actor | 1948 | 1 | |
| Johnson, Tom | Tom Johnson | Actor | 1948 | 1 | |
| Jacobsen, Annelise | Annelise Jacobsen | Actor | 1948 | 1 | |
| Johnston, Patricia | Patricia Johnston | Actor | 1948 | 2 | |
| Jessel, Patricia | Patricia Jessel | Actor | 1948 | 1 | |
| Janković, Stjepko | Stjepko Janković | Actor | 1948 | 1 | |
| Johansen, Urda | Urda Johansen | Actor | 1948 - 1949 | 7 | |
| Johnson, Bryan | Bryan Johnson | Actor | 1948 - 1950 | 2 | |
| Jordan, Egon | Egon Jordan | Actor | 1948 - 1967 | 4 | |
| Jeppesen, Jørn | Jørn Jeppesen | Actor | 1948 - 2003 | 8 | |
| Jöken-König, Käthe | Käthe Jöken-König | Actor | 1949 | 2 | |
| Jedzek, Klaus | Klaus Jedzek | Director | 1949 | 1 | |
| Justice, Josephine | Josephine Justice | Actor | 1949 | 1 | |
| Jefferies, Betty | Betty Jefferies | Actor | 1949 | 1 | |
| Johnston, Elaine | Elaine Johnston | Actor | 1949 | 1 | |
| Jensen, Jr., Hilmar, L. | Hilmar L. Jensen, Jr. | Actor | 1949 | 3 | |
| Jackson, Ernest | Ernest Jackson | Actor | 1949 | 3 | |
| Jackel, Bill | Bill Jackel | Actor | 1949 | 4 | |
| Janatsch, Helmut | Helmuth Janatsch (Helmut Janatsch) | Actor | 1949 - 1965 | 5 | |
| Jaunusans, Alfrēds | Alfrēds Jaunusans | Actor | 1950 | 1 | |
| Jenisch, Jakob | Jakob Jenisch | Actor | 1950 | 1 | |
| Jackson, Royse, W. | Royse W. Jackson | Actor | 1950 | 1 | |
| Jacobsen, Jean | Jean Jacobsen | Costume Designer | 1950 | 1 | |
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