Hello how may I help you? Hello I need help knowing about something. Okay and what is that? There is a song that plays in "500 Days of Summer" where the main character dances during one specific scene. Do you know what song that is? Sorry but I have no information about that. Bummer. :( Sorry, anything else? Do you know who the actor who played the main character in the movie "500 Days of Summer"? It's Zooey Deschanel Ok, thanks! :) Have a great day!