"Legend (Part 2)"- Special Agents G. Callen (guest star Chris ODonnell, left) and Sam Hanna (guest star LL COOL J, right), of the Los Angeles based NCIS Office of Special Projects (OSP), work alongside Gibbs and his team to bring down a terrorist cell in a two-part NCIS, airing Tuesday, April 28 (8:00-9:00PM, ET/PT) and Tuesday, May 5 (8:00-9:00PM, ET/PT) on the CBS Television Network. Photo: Cliff Lipson/CBS ©2009 CBS Broadcasting Inc. All Rights Reserved.