Niall O'Brien and Brid Brennan have appeared together in 2 films between 1981 and 1984, with a combined box office of $46.8 million. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 1981 | Excalibur | $46.8 million |
| 1984 | Anne Devlin |
Niall O'Brien also often with: Niall Tóibín (4), Gabriel Byrne (3), Bosco Hogan (2), Bríd Brennan (2), Flora Montgomery (2)
Brid Brennan also often with: Bríd Brennan (9), Gerard McSorley (3), John Kavanagh (3), David Wilmot (2), Domhnall Gleeson (2)