Rising Irish star Jessie Buckley has been cast opposite Renée Zellweger in the upcoming biopic of stage and screen icon Judy Garland.

Judy tells the story of Garland's final shows in London before her death in June 1969 at the age of 47.

Judy Garland and friend and co-star Mickey Rooney pictured at the Oscars in February 1940 - photo from Meet the Oscars exhibition in Hollywood in February 2008 

US entertainment website Deadline, which first reported Buckley's casting, says the Kerry actress will play Rosalyn Wilder, the production assistant who worked with Wizard of Oz star Garland during her last performances in London in the winter of 1968.

American Horror Story star Finn Wittrock has also joined the cast as Mickey Deans, Garland's fifth husband.

British stage director Rupert Goold, whose screen credits include The Hollow Crown, will be behind the lens for Judy, with the film based on a script by The Crown and The Silkworm screenwriter Tom Edge. 

The biopic will feature some of Garland's best-known songs and is due to film between March and May. 

Zellweger previously showcased her vocal talents in 2003's Chicago, winning a Golden Globe and receiving Oscar and BAFTA nominations.

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Taboo and War & Peace star Buckley is among the Rising Star nominees at this year's IFTA Film and Drama Awards, which take place in Dublin on Thursday night. She is also nominated for Best Supporting Actress for her role in Taboo

Her new film, the psychological thriller Beast, will screen as part of the Audi Dublin International Film Festival on Friday February 23. It is due in cinemas on April 27.

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