This is who you'll meet on the Hawaii Five-O pilot: Scott Caan as Detective Danny "Danno" Williams, Daniel Dae Kim as Chin Ho Kelly, Alex O'Loughlin as Detective Steve McGarrett, and Grace Park as Kono.
Chin Ho is trapped in headquarters when gunman storm the building on the season premiere of Hawaii Five-O. "Aloha ke kahi I ke kahi (We Need Each Other)" is the first episode of the show's fourth season.