Basically I had a screen with a green circle in the middle which I spoke at for two days. So that kind of did help with [not] losing your mind. But Matt came down on my first day and we ran some stuff together so I could kind of get the feel of where he’d pitched it so it could really sync together. I’d seen some of his rushes as well. We did what we could to really sync us together. Jenna-Louise Coleman on acting alone in a room for ‘Asylum of the Daleks’