Oprah Winfrey's OWN Cast of Characters: Rosie O'Donnell, Gayle King, Julia Roberts and More

With a name like Oprah's, it has to be big. OWN: The Oprah Winfrey Network is slowly but surely building up to be a broadcast behemoth. Besides the media mogul herself, a slew of celebrities and talk show staples have agreed to appear on the channel, from the A-list actress with a megawat smile (Julia Roberts) to the controversial comedian who can't be kept off the air (Rosie O'Donnell). Below, a look at the cast of characters Winfrey's assembled to front her cable television network, slated...Full Story