The extensive research and public opinion surrounding Diana made the role feel bottomless and required a conscious effort to stop over-researching.

“with her it's bottomless like you there is at one point I was like I've got to stop because there's too much and also especially with Dan there is so much like everyone's got a thought everyone's got an opinion it's you don't really know where to”

Returning to the script after a period of intense, overwhelming research provided a sense of relief and focus for the performance.

“I remember like at some point going from this huge like stack of binders of research to the script and being like oh yes oh this is actually the thing that I'm doing and finding that a massive relief to sort of reassure myself that I had ingested all of this”