Indeed , both Dermot Morgan and Ardal O'Hanlon were regular performers at the theatre during the 1990s .
Channel 4 filmed a sequence of their award - winning comedy series , Father Ted , in the theatre in December 1995 .
Both Dermot Morgan and Ardal O'Hanlon were regular performers at the theatre during the 1990s .
Channel 4 filmed a sequence of their award - winning comedy series , Father Ted , in the theatre in December 1995 .