December 17, 2009 7:00 pm James Cameron: I Knew Sam Worthington “Was The Right Guy” To Cast “Avatar” director James Cameron discusses the risk he took by casting an unknown actor as the lead in his latest film. US & World Videos 1:07 Britney Spears spotted as authorities respond to alleged hotel incident 2:15 Prince William and Kate Middleton ‘going through hell,' friend claims (report) 8:01 Lady Gaga's outfit changes, Rihanna's bold looks and more iconic Met Gala moments 1:59 TikTok's Maddy Baloy dead at 26: Gordon Ramsay and Tay Lautner pay tribute 3:04 Progress being made on demolition of overpass on I-95 in Norwalk