| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Irene Ibsen Bille | Adaptation | 1955 - 1964 | 2 | 1 | ||
| Franz Inwenden | Actor | 1955 | 1 | |||
| Bernard Iser | Actor | 1955 | 1 | |||
| Theano Ioannidou | Actor | 1955 | 1 | |||
| Luitgard Im | Actor | 1955 | 1 | |||
| Axel Ivers | Actor | 1955 | 1 | |||
| Nancy Illig | Actor | 1954 - 1986 | 3 | |||
| Krystyna Iłłakowicz | Actor | 1954 | 1 | |||
| Toshikazu Ito | Designer | 1953 | 1 | |||
| Pentti Irjala | Actor | 1953 | 1 | |||
| Blenda Isbey | Actor | 1951 | 1 | |||
| Ljubiša Iličić | Actor | 1951 | 1 | |||
| Konosuke Imafuku | Sound Designer | 1950 | 1 | |||
| Heinz Isterheil | Actor | 1947 | 1 | |||
| Ottomar in der Au | Actor, Director | 1946 | 2 | |||
| Majo in der Au | Actor | 1946 | 2 | |||
| Wacław Izdebski | Actor | 1946 | 1 | |||
| Þorvaldur Ingólfsson | Actor | 1944 | 1 | |||
| Ansa Ikonen | Actor | 1943 - 1955 | 3 | |||
| Rosalind Iden | Actor | 1943 - 1950 | 4 | |||
| John Izon | Director | 1943 - 1948 | 4 | |||
| Ionel Iliescu | Actor | 1943 | 1 | |||
| Antonio Ibarra | Actor | 1943 | 1 | |||
| Federico Iribarren | Actor | 1943 | 1 | |||
| Ola S. Isene (Ola Isene) | Actor | 1942 - 1978 | 17 | 1 | ||
| Lárus Ingólfsson | Actor, Costume Designer, Designer | 1942 - 1965 | 13 | |||
| Anna Iblová | Actor | 1941 - 1943 | 2 | |||
| Karl Ingelius | Designer | 1941 | 1 | 1 | ||
| V. Izenberg | Designer | 1940 | 1 | |||
| Anton Imkamp | Actor | 1940 | 1 | |||
| John Ireys | Actor, Dancer | 1940 | 6 | |||
| Penka Ikonomova | Actor | 1940 | 1 | |||
| Stasa Iatridou | Actor | 1939 - 1951 | 8 | |||
| Silvia Ionaşcu | Actor | 1939 - 1940 | 2 | |||
| Leonida Irimieş | Actor | 1937 | 1 | |||
| Lillian Ingebrigtson | Actor | 1937 | 1 | |||
| Roy Irving | Actor | 1936 | 1 | |||
| Alette Ihlen | Actor | 1935 | 1 | |||
| Efthyfron Iliadis | Actor | 1935 | 1 | |||
| Stanley Illsley | Actor | 1935 | 1 | |||
| Jean Inness | Actor, Director | 1934 - 1935 | 3 | |||
| Al. Ilea | Actor | 1934 | 1 | |||