| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| Viktor Iljičev | Actor | 1968 | 1 | |||
| Olav Ile | Designer | 1968 | 1 | |||
| Kari Bjørg Ile | Costume Designer | 1968 | 1 | |||
| Antonio Iranzo | Actor | 1968 - 1982 | 4 | 1 | ||
| Frank Iversen | Actor | 1968 - 1990 | 116 | 1 | ||
| Shuji Ida | Actor | 1968 - 1994 | 4 | |||
| Dobrila Ilic | Actor | 1969 | 1 | |||
| Ştefan Ilie | Actor | 1969 - 1975 | 2 | |||
| Elfriede Irrall | Actor | 1969 - 2009 | 10 | |||
| Anne Ives | Actor | 1970 | 1 | 1 | ||
| Roberta Illg | Actor | 1970 | 1 | |||
| Dick Ihnatowicz | Musician | 1970 | 1 | |||
| Zagorka Isaković | Actor | 1970 | 1 | |||
| Ştefan Iordănescu | Actor, Director | 1970 - 1998 | 6 | |||
| Bob Ivey | Actor | 1971 | 161 | |||
| Jules Irving | Director | 1971 | 1 | 1 | ||
| Alan Ingram | Director | 1971 | 1 | |||
| Inge Iwanowitsch | Actor | 1972 | 1 | |||
| Jeffrey J. Immel | Actor | 1972 | 1 | |||
| Gerhard Imbsweiler | Actor | 1972 | 1 | |||
| Marius Ionescu | Actor | 1972 | 3 | |||
| I. Ilie | Actor | 1972 | 1 | |||
| Diana Ioan Popov | Designer | 1972 | 1 | |||
| Robert Ivan | Actor | 1972 | 1 | |||
| Miodrag Ilić | Translator | 1972 | 1 | |||
| Alfredo Iglesias | Actor | 1972 - 1980 | 2 | |||
| Vera Irrgang | Actor | 1972 - 2003 | 2 | 1 | ||
| Vito Izzo | Actor | 1973 | 1 | |||
| Arthur Intert | Actor | 1973 | 1 | |||
| Per Ingeberg | Actor | 1973 | 1 | |||
| Karen Ingenthron | Actor | 1973 | 1 | |||
| Gottfried Iffland | Director | 1973 | 1 | |||
| Kurt Ingvall | Actor | 1973 - 1978 | 2 | |||
| Gisela Icke | Actor | 1973 - 1980 | 2 | |||
| Tea Ista | Actor | 1973 - 1980 | 2 | 1 | ||
| Irene Inescort | Actor | 1973 - 1982 | 2 | |||
| Karlyn Istvan | Actor | 1974 | 1 | |||
| Lilija Ivanova | Actor | 1974 | 1 | |||
| Simos Ioannidis | Actor | 1974 | 1 | |||
| Katalin Ilosvay | Actor | 1974 | 1 | |||
| Einar Iversen | Musical Director | 1974 | 10 | |||
| Amy Ingersoll | Actor | 1974 - 1977 | 5 | |||