| Clausen, Andrea | Andrea Clausen | Actor | 1989 – 1999 | 3 | |
| Cederhök, Stein-Åke | Stein-Åke Cederhök | Actor | 1989 – 1998 | 2 | |
| Clarkson, Phillip | Phillip Clarkson | Costume Designer, Designer | 1989 – 1996 | 2 | |
| Chatzakou, Vanta | Vanta Chatzakou | Actor | 1989 – 1990 | 1 | |
| Chaïkalis, Christos | Christos Chaïkalis | Actor | 1989 – 1990 | 1 | |
| Capurro, Soledad | Soledad Capurro | Costume Designer, Designer | 1989 | 2 | |
| Clancy, Dimity | Dimity Clancy | Actor | 1989 | 1 | |
| Cartwright, Geoff | Geoff Cartwright | Actor | 1989 | 1 | |
| Copeland, Felicity | Felicity Copeland | Actor | 1989 | 1 | |
| Crosset, Ann | Ann Crosset | Actor, Choreographer | 1989 | 4 | |
| Carlsen, Morten | Morten Carlsen | Actor, Musician | 1989 | 3 | |
| Clausen, Bent | Bent Clausen | Actor, Musician | 1989 | 3 | |
| Carlson, Judith | Judith Carlson | Dancer | 1989 | 1 | |
| Cholewa, Bogdan | Bogdan Cholewa | Dancer | 1989 | 1 | |
| Crowley, Bob | Bob Crowley | Designer | 1989 | 1 | |
| Chava-Vagia, Aigli | Aigli Chava-Vagia | Composer | 1989 | 2 | |
| Crosswell, Chris | Chris Crosswell | Designer | 1989 | 1 | |
| Cserna, Antal | Antal Cserna | Actor | 1989 | 1 | |
| Caza, Terrence | Terrence Caza | Actor | 1989 | 6 | |
| Charalampous, Nikos | Nikos Charalampous | Director, Translator | 1989 | 3 | |
| Chalmers, Jessica | Jessica Chalmers | Adaptation | 1989 | 1 | |
| Christianson, Ingemar | Ingemar Christianson | Actor | 1989 | 48 | |
| Conway, Richard | Richard Conway | Actor | 1989 | 1 | |
| Ceeh, Franz-Robert | Franz-Robert Ceeh | Actor | 1989 | 1 | |
| Cella, Erich | Erich Cella | Actor | 1989 | 1 | |
| Crabb, Sally | Sally Crabb | Designer | 1989 | 1 | |
| Carp, Stefanie | Stefanie Carp | Dramaturg | 1989 | 1 | |
| Chatterjee, Soumitra | Soumitra Chatterjee | Actor, Translator | 1989 | 3 | |
| Chatterjee, Dhritiman | Dhritiman Chatterjee | Actor | 1989 | 1 | |
| Chatterjee, Subhendu | Subhendu Chatterjee | Adaptation | 1989 | 1 | |
| Carroll, Peter | Peter Carroll | Actor | 1988 – 2018 | 3 | |
| Chourmouziadis, Nikos | Nikos Chourmouziadis | Director | 1988 – 2007 | 7 | |
| Ciontea, Ana | Ana Ciontea | Actor | 1988 – 1991 | 3 | |
| Carlaccini, Marco | Marco Carlaccini | Actor | 1988 – 1989 | 16 | |
| Colonna, Mariangela | Mariangela Colonna | Actor | 1988 – 1989 | 7 | |
| Chiţoiu, Ion | Ion Chiţoiu | Actor | 1988 – 1989 | 1 | |
| Capuchinqui, Diceu | Diceu Capuchinqui | Lighting Designer | 1988 | 4 | |
| Clements, David M. | David M. Clements | Actor | 1988 | 1 | |
| Cenius, Kirsten Cenius | Kirsten Cenius | Actor | 1988 | 1 | |
| Clausen, Christian | Christian Clausen | Actor | 1988 | 1 | |
| Cosentino, Paola | Paola Cosentino | Actor | 1988 | 1 | |
| Churchill, Donald | Donald Churchill | Actor | 1988 | 1 | |
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