All funds for the first series were raised via IndieGoGo (crowd funding) and mainly sourced by the series already large fan base.
One of the photographers at the premier told Sarah Pitard to step out of a cast photo because he didn't recognise her without blonde hair.
Creator, Susan E. Clarke was sat on the floor in front of Lucy Meredith during the scenes acting as an invisible computer so she knew where to look.
Dita Tantang has actually been set on fire in real life.