Meryl Streep, Forest Whitaker, cancer survivor Lance Armstrong and other celebrities will take part in a three-network telethon to support cancer research. The hour-long “Stand Up To Cancer” will air live and commercial-free on ABC, CBS and NBC on September 5th. Charlize Theron, Hilary Swank, America Ferrera, Danica Patrick, Salma Hayek, Kirsten Dunst, Scarlett Johansson, Jennifer Aniston and news anchors Charles Gibson, Brian Williams and Katie Couric will also be among those taking part. The telethon is part of a broader initiative aimed at raising money to quicken the pace of research leading to development of new treatments. The effort is to be administered by the American Association for Cancer Research. Todays gallery update features bigger, better quality versions of the 2005 Alex Cayley photoshoot.