It was recently confirmed by Nikki Smith in a recent interview that Suranne Jones and Jeff Rawle, who harry potter fans will be familiar with as Amos Diggery, will be Appearing in The Sarah Jane Adventures Series Three. It is not yet known what Character Suranne or Jeff will play although it is suspected that Suranne will be Playing the Living Painting. 

The Sarah Jane Adventures will begin in September on CBBC and BBC One