Everyone has a hard time at school. But Sian needs more power than she ever imagined to deal with her bullies.
Unfortunately the movie Carreg Gron is not yet available on HBO Max.
Writing | Elin Myfanwy Phillips | Writer |
Production | Anna Arrieta | Line Producer |
Production | Gareth Rees Rowlands | Producer |
Directing | Sara Lloyd | Director |
Production | Roger Burnell | Executive Producer |