Biography: Sarah Hellings joined the BBC as a film editor before moving on to make documentaries for the BBC children's magazine programme "Blue Peter." She worked on my "Blue Peter Special Assignments" before leaving the BBC to work as a freelance director on shows including "Juliet Bravo" (1982-83). After doing the Doctor Who episode, "The Mark of the Rani," she continued to work as a freelance director on many shows, including episodes of "Howard's Way."