Actors
- Conor Hamilton (1 movie)
- Connor Kelly (1 movie)
- Connor Hamilton (1 movie)
- Connie Nielsen (1 movie)
- Conleth Hill (1 movie)
- Con Woods (1 movie)
- Colm Ó'Snodaigh (1 movie)
- Colm O'Maonlai (1 movie)
- Colm Meaney (11 movies)
- Colin Stewart (1 movie)
- Colin Salmon (1 movie)
- Colin Morgan (1 movie)
- Colin Gordon (2 movies)
- Colin Gilbert (1 movie)
- Colin Firth (1 movie)
- Colin Farrell (7 movies)
- Colin Blakely (2 movies)
- Colin Bain (1 movie)
- Clive Russell (1 movie)
- Clive Owen (2 movies)
- Clive Geraghty (1 movie)
- Clive Dunn (1 movie)
- Clive Brook (1 movie)
- Clifton Collins (1 movie)
- Clifford Pembroke (1 movie)
- Clide Delaney (1 movie)
- Clemmie Dugdale (1 movie)
- Clemens Scheitz (2 movies)
- Clelia Murphy (1 movie)
- Claudia Christian (1 movie)
- Claudia Bassols (1 movie)
- Claudette Faison (1 movie)
- Clarke Peters (1 movie)
- Clare-Hope Ashitey (1 movie)
- Clare Kramer (1 movie)
- Clare Barrett (1 movie)
- Claire Nebout (1 movie)
- Claire Forlani (1 movie)
- Claire Catterson (1 movie)
- Claire Bloom (1 movie)
- Cillian Murphy (7 movies)
- Ciaran Owens (2 movies)
- Ciaran O'Grady (1 movie)
- Ciarán McMenamin (2 movies)
- Ciaran McCabe (1 movie)
- Ciarán Hinds (8 movies)
- Ciaran Flynn (1 movie)
- Ciaran Davies (1 movie)
- Ciarán Charles (1 movie)
- Ciara Gallagher (1 movie)