Sebastian Grayling

Sebastian Grayling is an F1 junior doctor who is due to start working in the Emergency Department of Holby General Hospital in late 2016.

Behind the scenes
Rik Makarem portrays Sebastian on Casualty, and likely began filming in summer 2016. He was first seen in the Autumn 2016 trailer which was released on 31 August 2016. Prior to this, neither the character nor Makarem's casting was known. Series producer Erika Hossington revealed during an interview in November 2015 that viewers could expect to see some new faces towards the end of 2016, therefore one of these is Sebastian.