| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Robert Ivan | Actor | 1972 | 1 | |||
| Miodrag Ilić | Translator | 1972 | 1 | |||
| Bob Ivey | Actor | 1971 | 161 | |||
| Jules Irving | Director | 1971 | 1 | 1 | ||
| Alan Ingram | Director | 1971 | 1 | |||
| Ştefan Iordănescu | Actor, Director | 1970 - 1998 | 6 | |||
| Anne Ives | Actor | 1970 | 1 | 1 | ||
| Roberta Illg | Actor | 1970 | 1 | |||
| Dick Ihnatowicz | Musician | 1970 | 1 | |||
| Zagorka Isaković | Actor | 1970 | 1 | |||
| Elfriede Irrall | Actor | 1969 - 2009 | 10 | |||
| Ştefan Ilie | Actor | 1969 - 1975 | 2 | |||
| Dobrila Ilic | Actor | 1969 | 1 | |||
| Shuji Ida | Actor | 1968 - 1994 | 4 | |||
| Frank Iversen | Actor | 1968 - 1990 | 116 | 1 | ||
| Antonio Iranzo | Actor | 1968 - 1982 | 4 | 1 | ||
| Etsuko Ichihara | Actor | 1968 | 1 | |||
| Wolfgang Immenhausen | Actor | 1968 | 1 | |||
| Takao Ito | Actor | 1968 | 1 | |||
| Kazuko Imai | Actor | 1968 | 1 | |||
| Takako Iwakura | Actor | 1968 | 1 | |||
| Viktor Iljičev | Actor | 1968 | 1 | |||
| Olav Ile | Designer | 1968 | 1 | |||
| Kari Bjørg Ile | Costume Designer | 1968 | 1 | |||
| Blagoja Ivčeski (Благоја Ивчески) | Actor | 1968 | 1 | |||
| Rauni Ikäheimo | Actor | 1967 - 1981 | 4 | |||
| Yasuhiro Ishii | Designer | 1967 | 1 | |||
| Paul Ingvoldstad | Actor | 1967 | 1 | |||
| Robert Ingham | Actor | 1967 | 3 | |||
| Birgitta Isberg | Actor | 1967 | 1 | |||
| Victor Ionescu | Actor | 1967 | 1 | |||
| Saburo Izumino | Director | 1966 | 1 | |||
| Lucian Iancu | Actor | 1966 | 1 | |||
| Giannis Iordanidis | Actor, Director, Dramaturg, Translator | 1965 - 2008 | 16 | |||
| Eileen Itkowitz | Actor | 1965 | 1 | |||
| Ryo Ishihara | Actor | 1965 | 1 | |||
| Harry Ives | Actor | 1964 - 1969 | 3 | |||
| George Innes | Actor | 1964 - 1965 | 3 | |||
| Richard Ingham | Actor | 1964 | 1 | |||
| Rob Inglis | Actor | 1964 | 1 | |||
| Monika Imhof | Actor | 1964 | 1 | |||
| Hiroshi Iwaki | Lighting Designer | 1964 | 1 | |||