When a group of North East of England dog owners signed up for a training class last Summer, they never thought their pooches could become celebs. But that’s now on the cards for the regions first all dog cast, after they made a short film which premiered in Newcastle last night. ‘Motley Mutts, The Rescue’ is a joint project between local trainer Sue McCabe of Muttamorphosis and Nathan Squires of MBT Productions.