Lots of casting news & offers out: ABC adds four, and makes offers to two leads, CBS adds a Lost alum to join Sarah Michelle Gellar in Ringer, Cinemax lands two leads for their first original series in two decades, Comedy Central continues their recasting on Playing With Guns, while NBC eyes a Steve Carell replacement, and makes offers to six others, TNT circles two men for the role of "Chris" and USA adds their first to Over/Under!