| Clayton, Faith | Faith Clayton | Actor | 1969 - 1988 | 2 | |
| Chandler, Derek | Derek Chandler | Actor | 1969 - 2006 | 4 | |
| Cartéus, Rut | Rut Cartéus | Actor | 1969 - 2014 | 4 | |
| Clapp, Gordon | Gordon Clapp | Actor | 1969 - 2017 | 2 | |
| Claire, Jennifer | Jennifer Claire | Actor | 1970 | 3 | |
| Chwiaokowska, Wanda | 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 | Actor, Director | 1970 - 1982 | 6 | |
| Csendes, László | László Csendes | Actor | 1970 - 1982 | 2 | |
| Clancy, Deirdre | Deirdre Clancy | Costume Designer, Designer | 1970 - 2003 | 13 | 1 |
| Calvet, Michael | Michael Calvet | Actor | 1971 | 1 | |
| Carlberg, Marianne | Marianne Carlberg | Costume Designer, Designer | 1971 | 47 | |
| Coyne, Sabina | Sabina Coyne | Actor | 1971 | 1 | |
| Crysdale, John | John Crysdale | Actor | 1971 | 1 | |
| Csinády, István | István Csinády | Designer | 1971 | 1 | |
| Curtis, Brenda | Brenda Curtis | Actor | 1971 | 1 | |
| Chromík, Karel | Karel Chromík | Actor | 1971 | 1 | |
| Crhová, Marie | Marie Crhová | Actor | 1971 | 1 | |
| Coxwell, David | David Coxwell | Actor | 1971 | 1 | 1 |
| Cook, Lee | Lee Cook | Actor | 1971 | 1 | |
| Crowley, Tim | Tim Crowley | Actor | 1971 | 1 | |
| Cason, Barbara | Barbara Cason | Actor | 1971 | 1 | |
| Cook, James | James Cook | Actor | 1971 | 1 | |
| Cordner, Blaine | Blaine Cordner | Actor | 1971 | 1 | |
| Cronyn, Tandy | Tandy Cronyn | Actor | 1971 | 1 | |
| Carpenter, Gary | Gary Carpenter | Actor | 1971 | 1 | 1 |
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