Wendi Peters began filming for Doctors in October 2022 and announced her casting on the BBC topical series Morning Live on 2 November 2022. Prior to being cast as Nina, Peters had portrayed Nicky Connelly in a 2021 episode of Doctors. The radio show host asked her if there was any connection between the two roles, to which she clarified that Nina is a new and unconnected character. On Peters' casting, executive producer Mike Hobson said: "We are absolutely delighted to welcome Wendi to the Docto