They know what's up. They've figured it out," the actress tells PEOPLE of on-screen parents Molly and Arthur Weasley ...

The Weasley family patriarch is Arthur Weasley (Mark Williams), who works an office ... though the role was played by a different actor previously). In contrast to many of her classmates, both ...

Bonnie Wright with son Elio; Julie Walters and Mark Williams as Molly and Arthur Weasley ...