Rufus Sewell may seem to perfectly personify calm and confident characters in the acting world, but he admits he still struggles with public speaking.

“There’s nothing more terrifying,” he tells Sky News. “I remember having to do a reading at a church when I was very young and I was so nervous. I was at drama school, so people knew I wanted to be an actor, and as I was walking up towards the lectern I heard someone say, ‘this will be good’, and I completely froze.”

After…