- 2007: Co-starred with Jennifer Garner in "Catch and Release" the directorial debut of Susannah Grant
- 2004: Appeared in the thriller "Close Your Eyes"
- 2001: Played Aunt Petunia in "Harry Potter and the Sorcerer's Stone"
- 2000: Appeared as Irma Prunesquallor in the BBC miniseries "Gormenghast"
- 2000: Starred in "Medea" at Dublin's Abbney Theatre, in production staged by Warner
- 1999: Co-starred in "The Last September", Deborah Warner's feature directorial debut; released theatrically in USA in 2000; executive produced by Jordan
- 1999: Made Royal National Theatre directorial debut with the touring production of George Bernard Shaw's "Widowers' Houses"
- 1999: Portrayed Hollywood gossip columnist Hedda Hopper in HBO's "RKO 281"
- 1998: Co-starred as the imperious neighbor who becomes the bane of the title character's life in Neil Jordan's "The Butcher Boy"
- 1998: Starred in London revival of "The Prime of Miss Jean Brodie"
- 1998: Co-starred opposite Ralph Fiennes and Uma Thurman in the disastrous big-screen version of "The Avengers"
- 1996: Appeared in USA in one-person show based on T S Eliot's "The Waste Land"; directed by Warner
- 1995: Gave legendary performance as the title character in "Richard II" in London under Warner's direction
- 1993: Was one of the few bright spots in the otherwise forgettable "Super Mario Brothers", based on the popular video game
- 1990: Played Isabel Arundell, explorer Richard Burton's free-spirited wife, in "Mountains of the Moon"
- 1990: Appeared in "Three Men and a Little Lady"
- 1988: First stage collaboration with director Deborah Warner, the title role in "Electra"
- 1988: Breakthrough film role, as Dr. Eileen Cole in "My Left Foot" opposite Daniel Day-Lewis
- 1987: Essayed the role of Prudence in "The New Inn"
- 1986: Played Erika Bruckner in "Mephisto" on stage
- 1986: Performed Portia and Beatrice in the RSC touring productions of "The Merchant of Venice" and "Much Ado About Nothing"
- 1985: Joined the Royal Shakespeare Company; played Celia in "As You Like It", Madame de Volanges in "Les Liaisons Dangereuses" and Tatyana Vasilyevna in "The Philistines"
- 1984: Essayed the role of Mary Shelley in Howard Brenton's play "Bloody Poetry" in London
- 1984: Film debut as Sister Felicity in "Sacred Hearts"
- 1983: Made professional stage debut in "Love's Labour's Lost" (date approximate)
- 1983: Played Julia Melville in "The Rivals" at London's Olivier Theatre
- 1980: Moved to London to study at RADA
- Raised on the outskirts of Cork, Ireland




