Question: Which actor, most notable for playing Charlie Fairhead in the long-running BBC television medical drama series "Casualty," has an early appearance in Gonks Go Beat?
Sentence (from "List of Holby City episodes"): It is set in the same hospital as "Casualty", Holby General, in the fictional city of Holby, however "Holby City" is filmed at Elstree Studios in Borehamwood, while "Casualty" is filmed in Cardiff.
Relevant evidence: No