Brad Pitt, Ben Stiller, Chris Rock, Clint Eastwood, Denzel Washington, Halle Berry, Jon Stewart, Julia Roberts, Leonardo DiCaprio, Matt Damon, Meryl Streep, Morgan Freeman, Nicole Kidman, Robert Pattinson, Samuel L. Jackson, Tom Hanks and Will Smith are among the many participants joining George Clooney (in Los Angeles), Wyclef Jean (in New York) and CNN’s Anderson Cooper (reporting from Haiti) for the event.

“Hope for Haiti Now” will air across ABC, CBS, NBC, Fox, CNN, BET, The CW, HBO, MTV, VH1, CMT, PBS, TNT, Showtime, Comedy Central, Bravo, E! Entertainment, National Geographic Channel, Oxygen, G4, CENTRIC, Current TV, Fuse, MLB Network, EPIX, Palladia, SoapNet, Style, Discovery Health, Planet Green, CNN en Español, HBO Latino and Canadian networks, including CBC Television, CTV, Global Television and MuchMusic. The event will be live streamed online globally across sites including YouTube, Hulu, MySpace, Fancast, AOL, MSN.com, Yahoo, Bing.com, BET.com, CNN.com, MTV.com, VH1.com and Rhapsody, and on mobile via Alltel, AT&T, Sprint, Verizon and FloTV. “Hope for Haiti Now” will also air internationally on BET International, CNN International, National Geographic and MTV Networks International, which is available in 640 million homes worldwide. “Hope for Haiti Now” will be available non-exclusively to all terrestrial radio stations around the globe and SIRIUS XM Radio as a one-time-only radio broadcast via the MTV Radio Network and Westwood One.