| Name | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Jörg Cossardt | Actor, Director | 1967 | 3 | |||
| Voula Charilaou | Actor | 1964 – 1967 | 3 | |||
| Anthony Corlan | Actor | 1967 | 3 | |||
| Paul Chapman | Actor | 1967 | 3 | |||
| David Clennon | Actor | 1966 – 1971 | 3 | |||
| Paul Conrad | Actor | 1906 | 3 | |||
| Sydney Conabere | Actor | 1966 – 1975 | 3 | |||
| Alvin Colt | Costume Designer | 1955 – 1965 | 3 | |||
| Jiří Chalupa | Actor | 1965 | 3 | |||
| Cliff Caruthers | Composer, Sound Designer | 2002 – 2017 | 3 | |||
| Francesco Canepa | Actor | 2002 – 2003 | 3 | |||
| Orlando Cinque | Actor | 2002 – 2003 | 3 | |||
| Razvan Craciunescu | Actor | 2002 | 3 | |||
| Barbara Clayden | Costume Designer | 2002 – 2006 | 3 | |||
| Ernesto Costa | Lighting Designer | 1997 – 1998 | 3 | |||
| Nikos Charalampous | Director, Translator | 1989 | 3 | |||
| Jeanette Crossland | Actor, Mask Maker | 2001 | 3 | |||
| Benedict Cumberbatch | Actor | 2003 – 2005 | 3 | |||
| László Czikéli | Actor | 1958 | 3 | |||
| Anna Císařovská | Actor | 2010 – 2011 | 3 | |||
| Natascha Clasing | Actor | 2001 | 3 | |||
| Mika Collins | Actor | 2004 | 3 | |||
| Dominic Cuskern | Actor | 2004 – 2016 | 3 | |||
| Vilma Cibulková | Actor | 2000 | 3 | |||
| Kathleen Charles-Walsh | Actor | 2004 | 3 | |||
| Martin Carnevali | Actor | 2004 | 3 | 1 | ||
| François Clavier | Actor | 2005 | 3 | |||
| Anna Cónová | Actor | 1999 – 2018 | 3 | |||
| Sarah Clark | Actor | 2005 – 2006 | 3 | |||
| Dina Connolly | Actor | 2005 – 2006 | 3 | |||
| Haruna Condurache | Actor, Dancer | 2005 | 3 | |||
| Ilire Vinca Celaj | Actor | 2013 – 2015 | 3 | |||
| Ellen Carlsson | Actor | 1893 | 3 | |||
| Aurel Cosma | Lighting Designer | 1995 – 2010 | 3 | |||
| Liam Craig | Actor | 2001 – 2011 | 3 | |||
| Piotr Chołodziński | Composer, Director | 2007 – 2011 | 3 | |||
| Eronim Crişan | Actor | 1972 | 3 | |||
| Liana Ceterchi | Actor | 1977 | 3 | |||
| Dan Ciobanu | Actor | 1977 | 3 | |||
| Anca Constantinescu (Constantiniu ?) | Costume Designer | 1985 | 3 | |||
| Șerban Celea | Actor | 2009 – 2010 | 3 | |||
| Eugen Cristea | Actor | 2009 – 2010 | 3 | |||