Casting Call: NBC Universal began its national search for funny comics with diverse backgrounds for its sixth annual Stand-Up for Diversity. Casting calls will take place in four cities beginning June 28 in Miami, followed by New York, Atlanta and San Diego with the final showcase slated for Los Angeles in early December. Anthony Anderson (NBC's Law & Order) will be the celebrity spokesperson for the 2009 tour. The winner will receive a talent holding deal with NBCU in addition to other prizes. Information on the open casting calls can be found at www.standupnbc.com or www.diversecitynbc.com .