The upcoming second season of HBO’s Harry Potter series is expanding its cast, with new actors set to take on some of the most recognisable characters from J.K. Rowling’s wizarding world. The latest additions include Bonnie Hill as Ginny Weasley, Billy Barratt as Tom Riddle and Lenny Rush as the voice of house-elf Dobby.

New cast announced for Harry Potter series

The casting announcement comes as the television adaptation moves further into the story originally explored in the Harry Potter books and films. The second season will continue to follow Harry Potter and his friends as they navigate another challenging year at Hogwarts School of Witchcraft and Wizardry. In an Instagram post on HBO's handle, the makers shared who will play what.