Stage actress Gracie Cochrane, who recently starred as Jemima Potts in the UK tour of Chitty Chitty Bang Bang, has been tapped to play Ginny Weasley in HBO's Harry Potter series.

The network on Tuesday, Aug. 19, revealed the actors chosen to play most of Ron's siblings by posting photos on social media: Tristan Harland and Gabriel Harland, twins who have both appeared in Netf...