By Jason Lynch Kristen Mascia Lisa Ingrassia
June 09, 2008 12:00 PM

ONLY IN People

Bringing Greg Behrendt and Liz Tuccillo’s bestseller to the big screen, producer Nancy Juvonen said she “was scared of populating the film with too many familiar faces.” But she changed her tune after Jennifer Aniston, Ben Affleck, Drew Barrymore and Scarlett Johannson all wanted to be part of the romantic comedy’s ensemble. The film, due out Oct. 24, has already inspired one real-life pairing: Barrymore fell for costar Justin Long after they bonded at costume fittings.