Friday 16 November 2012, 11:21
Filming the contemporary set for the BBC One series was straightforward. However, taking that same location back in time by nearly 70 years was more of a challenge for writer and director Joe Ahearne.
They applied effects after the drama had been filmed to create the illusion of this passage of time, along with several other highly detailed finishing touches.
Here Jonathan explains how the magic of Crickley Hall was enhanced after the actors had all gone home...
We don't want to draw your eye to the fact that anything has happened at all."
Watch the trailer for The Secret Of Crickley Hall.
Jonathan Privett is the computer graphics supervisor on The Secret Of Crickley Hall. Hannah King, who filmed this interview, is a researcher in BBC TV and iPlayer.
Comments made by writers on the BBC TV blog are their own opinions and not necessarily those of the BBC.
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Friday 9 November 2012, 15:33
Wednesday 21 November 2012, 10:33