Catrin Jones as Rhiannon

Emma Stacey as Erin

Ellen Jane-Thomas as Mia

Bethany Williams-Potter as Sam

Ioan Hefin as Dr Stuart Emmanuel

Lisa Marged as Eden Chamberlain

Kevin McCurdy as John Herring

Aled Owen as Oliver

Steffan Cennydd as Steffan

Rhodri Miles as P.C. Adams

Christine Kempell as Sian Adams

Nathan Sussex as Huw Reynolds

Erwan Sion as Miller

Thom Robin as Train Station Worker

Colin Lewis as The Stranger (Voice)