It’s the first day of term at Ysgol Gwaelod y Garn and everyone’s excited. But bad news awaits the children… the school is going to CLOSE!
As Alfred, Elen and their friends try to think of a way to save their school, a rather grim-looking new teacher joins the staff: Miss Prydderch. But it soon becomes clear that she’s completely extraordinary. If anyone can help the children to save the school, it’s Miss Prydderch!
Brimming with mischief, music and imagination, join the class and Miss Prydderch on an unforgettable adventure where the friends learn to overcome their fears and discover the importance of raising their voices.
This magical new musical brings the adventures and characters of the beloved book series to the stage, with a brand-new script by Mererid Hopwood and lively music by Seiriol Davies.
Whoosh! And off we go!
A Theatr Cymru, Yr Egin and Cwmni Theatr Arad Goch production.
This production is staged in partnership with Yr Egin, who were responsible for the initial research and development of the production with funding assistance from the Arts Council of Wales.
Age Guidance: 7+
Performance dates
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06 Jun 202613:00Family performanceLyric Theatre, Carmarthen
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06 Jun 202618:00Family performanceLyric Theatre, Carmarthen
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08 Jun 202610:00School performanceLyric Theatre, Carmarthen
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09 Jun 202610:00School performanceLyric Theatre, Carmarthen
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11 Jun 202617:30Family performanceSherman Theatre, Cardiff
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12 Jun 202610:00School performanceSherman Theatre, Cardiff
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12 Jun 202613:00School performanceSherman Theatre, Cardiff
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13 Jun 202613:30Family performanceSherman Theatre, Cardiff
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16 Jun 202613:00School performanceTheatr Felinfach, Dyffryn Aeron
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17 Jun 202610:00School performanceTheatr Felinfach, Dyffryn Aeron
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19 Jun 202610:00School performanceAberystwyth Arts Centre
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19 Jun 202613:00School performanceAberystwyth Arts Centre
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20 Jun 202613:00Family performanceAberystwyth Arts Centre
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23 Jun 202610:00School performanceNeuadd Dwyfor, Pwllheli
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23 Jun 202613:00School performanceNeuadd Dwyfor, Pwllheli
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25 Jun 202613:00School performanceGaleri Caernarfon
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25 Jun 202617:00Family performanceGaleri Caernarfon
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26 Jun 202610:00School performanceGaleri Caernarfon
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26 Jun 202613:00School performanceGaleri Caernarfon
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30 Jun 202611:00Live performancePavilion Theatre, Rhyl
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02 Jul 202613:00School performancePontio Bangor
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03 Jul 202610:00School performancePontio Bangor
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03 Jul 202613:00School performancePontio Bangor
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04 Jul 202613:00Family performancePontio Bangor
Miss Prydderch: Tonya Smith
Lleidr y Lleisiau: Victoria Pugh
Mr Elias a Mr Cnoc: Carwyn Jones
Alfred: Elis Myers-Sleight
Elen: Kellie-Gwen Morgan
Sara: Ariadne Koursarou
Gwyn: Jed O’Reilly
Writer Mererid Hopwood
Composer Seiriol Davies
Director Ffion Wyn Bowen
Associate Director Steffan Donnelly
Set and Costume Designer Cai Dyfan
Lighting Designer Cara Hood
Choreographer Cêt Haf
Music Director Lynwen Haf Roberts
Sound Designer Eädyth Crawford
Music Producer Steffan Rhys Williams
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Tonya Smith
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Victoria Pugh
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Carwyn Jones
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Elis Myers-Sleight
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Kellie-Gwen Morgan
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Ariadne Koursarou
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Jed O’Reilly
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Mererid Hopwood
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Seiriol Davies
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Ffion Wyn Bowen
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Steffan Donnelly
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Cai Dyfan
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Cara Hood
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Cêt Haf
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Lynwen Haf Roberts
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Eädyth Crawford
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Steffan Rhys Williams
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Dosbarth Miss Prydderch a Lleidr y Lleisiau: Announcing our wonderful cast
This is the wonderful cast that will bring the characters of Dosbarth Miss Prydderch and Lleidr y Lleisiau to life on Welsh stages in June.
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Dosbarth Miss Prydderch a Lleidr y Lleisiau touring in summer 2026
Theatr Cymru, Yr Egin and Cwmni Theatr Arad Goch with the support of Theatrau Sir Gâr are pleased to announce a new musical by Mererid Hopwood based on her beloved series of books, with music by Seiriol Davies.