| Name | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Gordon Clapp | Actor | 1969 - 2017 | 2 | |||
| Karlene Counsman | Actor | 1967 - 1969 | 2 | |||
| Chris Cassel | Actor | 1969 | 1 | |||
| Hilary Charlton | Actor | 1969 | 1 | |||
| Hr. Carlmüller | Actor | 1879 | 1 | |||
| Fr. Carlmüller | Actor | 1879 | 1 | |||
| Lee Cook | Actor | 1971 | 1 | |||
| Tim Crowley | Actor | 1971 | 1 | |||
| Claudio Cassinelli | Actor | 1968 | 2 | |||
| Dan Cirella | Lighting Designer | 1968 | 1 | |||
| Sal Carollo | Actor | 1968 | 1 | |||
| Rolf Colditz | Actor | 1968 | 1 | |||
| Giorgos Christodoulakis | Actor | 1968 | 9 | |||
| William Cain | Actor | 1968 | 1 | |||
| Bree Cavazos | Actor | 1968 | 1 | |||
| Ingeborg Christiansen | Actor | 1968 | 1 | |||
| Crin Claxton | Lighting Designer | 2014 | 32 | |||
| Rick Cree | Designer, Lighting Designer | 2008 | 2 | |||
| Anita Cherian | Dramaturg | 2008 | 2 | |||
| Sara Cronberg | Adaptation, Director | 2004 - 2011 | 5 | |||
| Eleonore Chop | Actor | 1968 | 2 | |||
| Helen Carey | Actor | 1968 - 2009 | 3 | |||
| Dalibor Chalupa | Adaptation, Dramaturg | 1960 - 2012 | 3 | |||
| Patricia Cornall | Actor | 1968 | 1 | |||
| Julia Costa | Actor | 1964 - 1968 | 2 | |||
| 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 | |||
| Denis Cannan | Adaptation | 1967 | 1 | |||
| John Castle | Actor | 1967 | 1 | |||
| 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 | |||