No Mercy 2007 was a professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE), which took place on October 7, 2007 at the Allstate Arena in Rosemont, Illinois. It was the 10th annual No Mercy event and starred wrestlers from the Raw, SmackDown! and ECW brands. The 2007 No Mercy event had an approximate attendance of 12,500 and received approximately 271,000 pay-per-view buys. This event helped WWE obtain a pay-per-view revenue of $19.9 million. When the event was released on DVD, it reached a peak position of nineteenth on Billboard's DVD Sales Chart.