This BAFTA winning supernatural drama came to a close after three full series, with a two-part special, first screened in April 2007.
The story (set in a remote Scottish haunted house) was written by creator, David Kane, and again featured Bill Paterson as Dr. Monaghan, now without any student assistants.
The Prayer Tree was produced by Carnival Films for BBC Scotland, and featured these six Doctor Who cast and crew connections:
- Neve McIntosh (Karen) played a trio of Silurians - firstly the warrior twins, Alaya and Restac in The Hungry Earth and Cold Blood, then the recurring character of Madame Vastra (pictured) seen in A Good Man Goes to War, The Snowmen, The Crimson Horror, The Name of the Doctor and the Prequel shorts, The Great Detective, Vastra Investigates and The Battle of Demons Run: Two Days Later
- Christina Cole (Rebecca) was Lilith in The Shakespeare Code
- Ron Donachie (Minister) was a Steward in Tooth and Claw
- Alisdair Simpson (Mathers) voiced both Sir Francis White and Ritchie for 1963: The Assassination Games (Big Finish, 2013)
- Simon Clark was the sound recordist on An Adventure in Space and Time too
- stunt co-ordinator Gareth Milne was George Cranleigh in Black Orchid, a Mortuary Attendant in Vengeance on Varos, and doubled for Peter Davison on Warriors of the Deep