Nov. 4, 2013 at 1:04 PM ET
Harrison Ford probably hears Chewbacca's moaning cry in his sleep, but the actor sure didn't look prepared to hear it come out of the mouth of British actor Benedict Cumberbatch.
In a clip from "The Graham Norton Show" on BBC America, Cumberbatch and the show's host are talking about the actor's uncanny impersonations. "Do you do lots of people, are you one of those actors?" Norton asks.
"I think a lot of us have an ear," Cumberbatch said. "It's either music or it's voices or tones of voices. I used to muck around with dictaphones at school for ages and do impersonations of people and great characters."
The 37-year-old actor, seated between Ford and British comedian Jack Whitehall, then recounts a "favorite Chewbacca moment" that calls for a spot-on full-throated Wookie impression.
Ford's wide-eyed reaction is priceless. "Did I take you back?" Cumberbatch asks. And the star who brought us Han Solo can't even muster a response.
Cumberbatch, who has starred in the BBC series "Sherlock" and the film "Star Trek Into Darkness," plays Julian Assange in "The Fifth Estate." Ford stars in the sci-fi film "Ender's Game," currently in theaters.