Marcella Plunkett is an Irish actress from Roundwood, County Wicklow, best known for her recurring work with director John Carney across Once (2006), Sing Street (2016) and Flora and Son (2023). Her stage career includes productions at the National Theatre and the Donmar Warehouse, while her television credits span The Tudors and the Irish series Raw. She has received two IFTA nominations - for Stella Days and Swansong: Story of Occi Byrne.
The film Power Ballad (directed by John Carney) had a wide theatrical release on June 5, 2026 - Plunkett plays the role of Rachel Power in it.
Power Ballad had its world premiere at the Dublin International Film Festival on March 1, 2026 and was subsequently shown at the SXSW festival.
Distributor Lionsgate announced the theatrical release date for Power Ballad as June 5, 2026.
John Carney began filming the movie Power Ballad in Dublin, in which Plunkett was cast in the role of Rachel.
