On Sept. 10, the myriad celebrities will join forces for Stand Up to Cancer, a live, one-hour telethon to raise money for cancer research. The event will be simulcast commercial-free on all the major networks as well as VH1, HBO, E!, Bio, G4, Showtime and the Style Network at 8 p.m. ET.
Katie Couric, Diane Sawyer and Brian Williams will share hosting duties, and the show will feature an all-star musical collaboration led by Stevie Wonder, Natasha Bedingfield, Queen Latifah, Martina McBride, Aaron Neville and Dave Stewart.
Confirmed participants include: Kareem Abdul-Jabbar, Derek Fisher, Seth MacFarlane, Diane Sawyer, Tatyana Ali, Delta Goodrem, Martina McBride, The Simpsons, Dave Annable, Dr. Sanjay Gupta, Mandy Moore, Dave Stewart, Christina Applegate, Michael C. Hall, Aaron Neville, Eric Stonestreet, Lance Armstrong, Alyson Hannigan, Apolo Anton Ohno, Marcia Strassman, Natasha Bedingfield, Tony Hawk, Sharon Osbourne, Alison Sweeney, David Boreanaz, Jon Heder, Dr. Mehmet Oz, Maura Tierney, Abigail Breslin, Marg Helgenberger, Jim Parsons, Gabrielle Union, Chiquis,Terrence Howard, Aubrey Plaza, Sofia Vassilieva, Katie Couric, Ken Jeong, Dr. Ana Maria Polo, Sofia Vergara, Cindy Crawford, Rashida Jones, Queen Latifah, Brian Williams, Fran Drescher, Minka Kelly,Yarel Ramos, Marissa Jaret Winokur, Elizabeth Edwards, Laura Linney, Naya Rivera, Reese Witherspoon, Donald Faison, Zachary Levi, Robin Roberts, Stevie Wonder, Sally Field, Ray Liotta, Seth Rogen and Ethan Zohn.