Check out Ashley Greene on an upcoming episode of ABC’s Pan Am! The 24-year-old Twilight actress will be appearing in a three-episode arc, starting this Sunday (December 4) with an episode titled “Kiss Kiss Bang Bang.” “I think [Pan Am is] just very beautifully and well shot. And it’s in the 1960s, and I’ve been wanting to do something like that for a while,” Ashley, who’ll be playing Amanda, a c…