BBC Celebrity Race Across the World narrator revealed as Scottish actor John Hannah. Celebrity Race Across the World returns on BBC One with new celebrity contestants racing without air travel. Popular show challenges famous pairs to race without modern conveniences. Scottish actor John Hannah provides narration for the series. Known for roles in TV and film, he has been the voice behind the show since its inception. Hannah’s career includes roles in The Mummy trilogy and Four Weddings and a Funeral. Born in East Kilbride, he is a respected actor and voice-over artist.