Harry Potter and the Half-Blood Prince gave a prominent role to Hogwarts student Lavender Brown, but the actor playing her had been replaced (twice) by then.

Jared Harris has spoken about how his father, the late actor Richard Harris, was once offered the roles of two wizard characters at the same time. Richard famously played Albus Dumbledore, the ...

By Steven Zeitchik Senior Editor, Awards Universal/Courtesy Everett Collection; Focus Films/Courtesy Everett Collection (2); Warner Bros/Courtesy Everett Collection (2); Donald Cooper/Photostage; ...