Hawaii Five-0 Season 4 Characters & Cast — No Spoilers
Every character in Hawaii Five-0 season 4 with photos and the actors who play them, including Alex O'Loughlin, Scott Caan, Grace Park — spoiler-free, nothing from later seasons.
- Steve McGarrett — played by Alex O'Loughlin
- Danny 'Danno' Williams — played by Scott Caan
- Kono Kalakaua — played by Grace Park
- Chin Ho Kelly — played by Daniel Dae Kim
- Max Bergman — played by Masi Oka
- Catherine Rollins — played by Michelle Borth
- Duke Lukela — played by Dennis Chun
- Lou Grover — played by Chi McBride
- Kamekona Tupuola — played by Taylor Wily
- Grace Williams — played by Teilor Grubbs
- Adam Noshimuri — played by Ian Anthony Dale
- Flippa — played by Shawn Mokuahi Garnett
- Charlie Fong — played by Brian Yang
- Jerry Ortega — played by Jorge Garcia
- Billy Harrington — played by Justin Bruening
- Samantha Grover — played by Paige Hurd
- Clara Williams — played by Melanie Griffith
- Police Officer — played by Donnell Jewell Williams
- HPD — played by Matthew A. Chapman
- Sam Connors — played by James Brennan
All seasons of Hawaii Five-0: full spoiler-free character guide