Buzz News Roundup, 8/20

• Eleven extras were injured while on production in Germany filming Tom Cruise's WWII thriller Valkyrie, CNN reports. A police spokesperson kindly informed us that they "have no findings to suggest anyone famous was involved in the accident."
• Nelly Furtado, Gym Class Heroes and Common have joined the lineup for MTV's Video Music Awards, USA Today reports.
• According to Hollywood Reporter, Jason Biggs and Lizzy Caplan have joined the cast (Kate Hudson, Dane Cook) of Bachelor No. 2.
• ComingSoon reports that Ken Leung will star in "Lost" next season, appearing in the premiere episode as "a brilliant mathematician who is capable of great insights and has a tremendous knowledge across various scientific fields."
• Meanwhile, Tom Everett Scott will play Lucy Liu's fiance on the premiere of "Cashmere Mafia," says the Futon Critic.
• Ralph Fiennes and Nicole Kidman will star together in the romantic drama The Reader, Variety reports.
• NBC has bought a reality show called "Amne$ia," which will quiz people about the events of their lives, TV Week reports.
• NBC will premiere its fall pilots early via On Demand services, TV Guide says.
• Zac Efron will star in Seventeen, a Big-like comedy-drama in which a 36-year-old man "wakes up in the body of a studly high school senior," reports ComingSoon.