 Times Online | 'Potter' co-star "infatuated" with Grint Digital Spy Harry Potter star Jessie Cave has joked that she was "infatuated" with co-star Rupert Grint before filming on the movie began. The actress, who plays Grint's on-screen girlfriend Lavender Brown, admitted to BBC ... Movie mania: Mad about movies The 'Harry Potter' posse grows up East Texans give new Harry Potter movie mixed reviews |