Natalie Casey Donna Actor Will Mellor Gaz Actor Kathryn Drysdale Louise Actor Luke Gell Tim Actor Ralf Little Jonny Actor Georgia Henshaw Cassie Actor Freddie Hogan Billy Actor Sheridan Smith Janet Actor Samuel Barnett Actor Beverley Callard Flo Actor Gareth Carrivick Director Nick Wood Director Becky Martin Director Susan Nickson Writer Daniel Peak Writer Jon Brown Writer Caroline Jeffries Director Geoff Posner Director Stephen McCrum Executive Producer Sophie Clarke-Jervoise Executive Producer Michael Jacob Executive Producer Tim Dawson Writer Karen Laws Writer Kate Wincup Writer David Cantor Writer Robin Taylor Writer