Roy. Image shows from L to R: Becky (Martha Byrne), Maura (Cathy Belton), Bill (Simon Delaney). Copyright: JAM Media.


CBBC sitcom about a schoolboy. 52 episodes (4 series), 2009 - 2015. Stars Simon Delaney, Cathy Belton, Martha Byrne, David Green and others.

Series 3, Episode 2 - Attack Of The 50ft Roy

Roy wants to teach big bully Deco a lesson. He borrows Deco's formula for his school science project. Roy's unique version of Deco's formula turns him into a 50ft giant Roy! His friends have to work together to find an antidote before Roy hits the stratosphere.

Broadcast details

Thursday 30th January 2014
30 minutes

Cast & crew

Regular cast
Simon Delaney Bill
Cathy Belton Maura
Martha Byrne Becky
Mark Lambert Mr. Hammond
Cameron Hogan Niall
Lauren Kinsella Tara
Romey Farrelly Abby
Juwon Olatunji Sean
Kian Murphy Deco
Brandon Maher Hendley
Harry Behan Fagan
Valerie O'Connor Miss Jervis
Sam O'Mahony Mr Lucey
Robert Donnelly Roy (Voice)
Richard Albrecht Narrator
Guest cast
Paul Tylak Dr Raschid
Kiera Delambaca Sophie
Sinead Delambaca Laura
Writing team
Katie Davies Script Editor
Lena Byrne Script Editor
Anita Turner Script Editor
Derek O'Connor Writer
Production team
Alan Shannon Series Director
Alan Shannon Director
Mark Cumberton Series Producer
Sue Nott Executive Producer
John Rice Executive Producer

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