Just like music has "one-hit wonders", Hollywood has their own version when it comes to actors who make a huge splash on the big screen before disappearing into obscurity. You will likely recognize most of these artists for their iconic (or borderline iconic) roles, but find yourself wondering what ever happened to them.1. Dakota Fanning Indie WireDakota Fanning was a huge success as a child actor with staring roles in I Am Sam, War of the Worlds, Man on Fire, and Charlotte's Web. She hasn't been nearly as successful as an adult. After her appearances in the Twilight saga