Richard Wilson says he’s delighted to find himself in a global hit series like Merlin at his vintage, though filming occasionally left him tired and confused.

Richard, 75, plays court physician Gaius in the new series, which premieres on BBC One on Saturday, September 19.

“Every so often, when I’m feeling really tired, the thought of a small village in China gathering around to watch it really picks me up,” Richard told

He confessed to feeling confused by the filming process, trying to juggle five scripts in his head while at the same time appearing on stage with the Royal Shakespeare Company…

Watch the interview with Merlin star Richard Wilson: