- (1999, April - May) Appeared as Vittoria in the John Webster play "The White Devil" at the Haymarket Theatre, Leicester, England.
- [January 2006] Played Comtesse de la Briere in J. M. Barrie's 'What Every Woman Knows' at The Royal Exchange Theatre, Manchester, England, UK.
- TV commercial: Mitsubishi TV "Blue Diamond" (1984)
- TV commercial for Talking Pages (1991)
- TV commercial for After Eight mints "Equality" (1970s)
- (1983) She acted in Michael Frayn's play, "Noises Off," at the Savoy Theatre in London, England with Benjamin Whitrow, Phyllida Law, Robert Flemyng, Glyn Grain, directed by Michael Blakemore OBE.
- (1989) She acted in Michael Frayn's play, "Look," at the Aldwych Theatre in London, England with Stephen Fry, Robin Bailey, and Michael Simkins.
- (1990) She acted in Michael Frayn's play, "Look," at the Aldwych Theatre in London, England with Stephen Fry, Robin Bailey, Margaret Courtenay, S. Gordon and Michael Simkins.
- (1983) TV commercial for Flora margarine
- (1987) She acted in Oscar Wilde's play, "The Importance of Being Earnest," at the Royalty Theatre in London, England with Wendy Hiller, Clive Francis, Denis Lawson, Phyllida Law, and Harold Innocent in the cast. Donald Sinden was director.
- (March 1983) She acted in Michael Frayn's play, "Noises Off," at the Savoy Theatre in London, England with Benjamin Whitrow, Phyllida law, Robert Flemyng, Glyn Grain, and John Quayle in the cast. Michael Blakemore was director.
- (1987) She acted in the play, "Court in the Act!," at the Phoenix Theatre in London, England with Michael Denison, Lee Montague, Terence Wilton, Derek Smith, and Avril Elgar in the cast.
- (1990) She acted in Michael Frayn's play, "Look," at the Aldwych Theatre in London, England with Stephen Fry, Robin Bailey, Margaret Courtenay, Serena Gordon, and Michael Simkins in the cast.
- (1993) She acted in Noel Coward's play, "Present Laughter," at the Globe Theatre in London, England with Tom Conti, James Purefoy, Lucy Robinson, Judy Loe, and Jenny Seagrove in the cast.
- (1999) She acted in John Whiting's play, "A Penny for a Song," in an Oxford Stage Company production at the Whitehall Theatre in London, England with Julian Glover, Charles Kay, Jeremy Clyde, Jody Watson, and Brian Protheroe in the cast.
- (July 24, 2024) Performed at London's Royal Albert Hall in BBC Prom 8: "Nick Drake - An Orchestral Celebration", a remembrance of her younger brother Nick Drake on the 50th anniversary of his death. As The Unthanks performed "What Can a Song Do to You?" and "Set Me Free", Gabrielle recited poetry by their mother Molly.
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