"We did try to come with Sense and Sensibility," he deadpan jokes to the thousands in Hall H at the San Diego Convention Centre. "But we were turned away."
He behaves like a Comic-Con veteran, his self deprecating humour playing perfectly with the audience for a panel for forthcoming fantasy movie Dungeons & Dragons: Honour Among Thieves.
When the panel moderator questions whether Grant really is a life long D and D fan, one co-star jokes "I think he mixed it up with S&M".
With impeccable comic timing Grant pauses before finally saying: "She's not wrong".
