Three CSI: NY stars will be on Hawaii Five-0 in the next couple of months. According to Peter Lenkov in an interview with Entertainment Weekly, Anna Belknap, A. J. Buckley, and Melina Kanakaredes will all be guest stars. Per The Futon Critic Anna will be in episode 5.13 scheduled to air January 30th. Per Spoiler TV A. J. will be in episode 5.15 scheduled to air February 13th. I couldn't find when Melina will be on.