| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Crin Claxton | Lighting Designer | 2014 | 32 | |||
| Rick Cree | Designer, Lighting Designer | 2008 | 2 | |||
| Anita Cherian | Dramaturg | 2008 | 2 | |||
| Eleonore Chop | Actor | 1968 | 2 | |||
| Dalibor Chalupa | Adaptation, Dramaturg | 1960 - 2012 | 3 | |||
| Patricia Cornall | Actor | 1968 | 1 | |||
| Joacir Castro | Actor | 1967 | 1 | |||
| Evandro Campelo | Actor | 1967 | 1 | |||
| Hugo Caldas | Actor | 1967 | 1 | |||
| April Carter | Actor | 2004 | 1 | |||
| Alisha Cornacchia | Actor | 2004 | 1 | |||
| Laurence Connors | Actor | 1967 | 1 | |||
| László Csendes | Actor | 1970 - 1982 | 2 | |||
| Antal Cserna | Actor | 1989 | 1 | |||
| Susie Crandell | Actor | 1967 | 1 | |||
| Jörg Cossardt | Actor, Director | 1967 - 1971 | 3 | |||
| Sophronia Camp | Actor | 1967 | 1 | |||
| Rafael Calatayud | Director | 2004 - 2006 | 34 | |||
| Rocio Cabedo | Costume Designer | 2004 - 2006 | 34 | |||
| Tony Capodilupo | Actor | 1967 | 2 | |||
| Kathy Coe | Actor | 1967 | 1 | |||
| Faith Campbell | Costume Designer | 1967 | 1 | |||
| Etienne Catallan | Adaptation | 1967 | 1 | |||
| Marie Anne Condé | Actor | 1967 | 1 | |||
| Bibi Carlo | Actor | 1967 | 1 | |||
| Voula Charilaou | Actor | 1964 - 1967 | 3 | |||
| Anna Calder-Marshall | Actor | 1967 | 1 | |||
| Sarah Cranmer | Actor | 1967 | 2 | |||
| Anthony Corlan | Actor | 1967 | 3 | |||
| Paul Chapman | Actor | 1967 | 3 | |||
| Douglas Coombes | Composer | 1967 | 1 | |||
| József Cselényi | Designer | 1965 | 1 | |||
| Angela Császár | Actor | 1967 | 1 | |||
| Paul Crommie | Actor | 2004 | 1 | |||
| Marion Clark | Actor | 2004 | 1 | |||
| Warren Caton | Costume Designer | 1966 | 1 | |||
| Sharron Carter | Actor | 1966 | 1 | |||
| Mary Corrigan | Actor | 1966 | 1 | |||
| Judith Ann Cummings | Actor | 1966 | 1 | |||
| David Clennon | Actor | 1966 - 1971 | 3 | |||
| Paul Conrad | Actor | 1906 - 1966 | 3 | |||
| Jon Cranney | Actor | 1966 | 2 | |||