| Cassel, Chris | Chris Cassel | Actor | 1969 | 1 | |
| Charlton, Hilary | Hilary Charlton | Actor | 1969 | 1 | |
| Chirilă, Ion | Ion Chirilă | Choreographer | 1969 | 1 | |
| Condon, Pat | Pat Condon | Actor | 1969 | 3 | |
| Crumley, Carolyn | Carolyn Crumley | Actor | 1969 | 2 | |
| Clark, Stephanie | Stephanie Clark | Actor | 1969 | 1 | |
| Crumley, Anne | Anne Crumley | Actor | 1969 | 1 | |
| Cortosev, Kiro | Kiro Cortosev | Actor | 1969 | 1 | |
| Calvert, Vicky | Vicky Calvert | Actor | 1969 - 1970 | 3 | |
| Cebrián, Fernando | Fernando Cebrián | Actor | 1969 - 1971 | 2 | |
| Calvo, Manolo | Manolo Calvo | Actor | 1969 - 1971 | 2 | |
| Cahill, James | James Cahill (James Cahill) | Actor | 1969 - 1975 | 2 | 1 |
| Colavecchia, Franco | Franco Colavecchia | Designer | 1969 - 1975 | 2 | |
| Capilla, Ángela | Ángela Capilla | Actor | 1969 - 1977 | 2 | |
| Clayton, Faith | Faith Clayton | Actor | 1969 - 1988 | 2 | |
| Chandler, Derek | Derek Chandler | Actor | 1969 - 2006 | 4 | |
| Cartéus, Rut | Rut Cartéus (Rut Cartéus) | Actor | 1969 - 2014 | 4 | |
| Clapp, Gordon | Gordon Clapp | Actor | 1969 - 2017 | 2 | |
| Claire, Jennifer | Jennifer Claire (Jennifer Claire) | Actor | 1970 | 3 | |
| Chwiaokowska, Wanda | Wanda Chwiaokowska (Wanda Chwiaokowska) | Actor | 1970 | 1 | |
| Castelman, Margaret | Margaret Castelman | Actor | 1970 | 1 | |
| Caruana, Joseph | Joseph Caruana | Actor | 1970 | 1 | |
| Cotter, Christine | Christine Cotter | Actor | 1970 | 1 | |
| Cobb, Hugh | Hugh Cobb | Actor | 1970 | 1 | |
| Carter, Leslie | Leslie Carter | Choreographer | 1970 | 1 | |
| Chávez, Eva, Rocío | Eva Rocío Chávez | Actor | 1970 | 1 | |
| Corrigan, James | James Corrigan | Actor | 1970 | 1 | |
| Chojak-MyŁko, Elżbieta | Elżbieta Chojak-MyŁko | Designer | 1970 | 1 | |
| Cercel, Florina | Florina Cercel | Actor | 1970 | 1 | |
| Cobet Soroceanu, Anatolie | Anatolie Cobet Soroceanu | Actor | 1970 | 1 | |
| Cermak, Marianne | Marianne Cermak | Actor | 1970 | 1 | |
| Coe, Peter | Peter Coe | Director | 1970 | 2 | 1 |
| Castellaneta, Donato | Donato Castellaneta | Actor | 1970 | 1 | |
| Calderini, Emma | Emma Calderini | Costume Designer | 1970 | 1 | |
| Codignola, Luciano | Luciano Codignola | Translator | 1970 | 1 | 1 |
| Crnomarković, Branka | Branka Crnomarković | Actor | 1970 | 1 | |
| Costas, Anna | Anna Costas | Actor | 1970 | 1 | |
| Chilvers, Simon | Simon Chilvers (Simon Chilvers) | Actor, Director | 1970 - 1982 | 6 | |
| Csendes, László | László Csendes | Actor | 1970 - 1982 | 2 | |
| Clancy, Deirdre | Deirdre Clancy (Deirdre Clancy) | Costume Designer, Designer | 1970 - 2003 | 13 | 1 |
| Calvet, Michael | Michael Calvet (Michael Calvet) | Actor | 1971 | 1 | |
| Carlberg, Marianne | Marianne Carlberg (Marianne Carlberg) | Costume Designer, Designer | 1971 | 47 | |
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