Summit Entertainment has provided us with a 10-second clip from the trailer for The Twilight Saga: Eclipse which you can watch using the player below. We'll have the full new trailer for you Thursday morning. Opening in theaters and IMAX on June 30, the David Slade-directed sequel stars Kristen Stewart, Robert Pattinson, Taylor Lautner, Ashley Greene, Billy Burke, Peter Facinelli, Elizabeth Reaser, Nikki Reed, Kellan Lutz, Jackson Rathbone and Dakota Fanning.