Alex O'Loughlin
Steve McGarrett (23 eps)
Scott Caan
Danny "Danno" Williams (23 eps)
Grace Park
Kono Kalakaua (23 eps)
Daniel Dae Kim
Chin Ho Kelly (23 eps)
Masi Oka
Dr. Max Bergman (23 eps)
Tom Sizemore
Capt. Vincent Fryer (5 eps)
Taylor Wily
Kamekona (3 eps)
Autumn Reeser
Gabrielle Asano (2 eps)
Daniela Ruah
Kensi Blye (1 eps)
Robert Englund
Samuel Lee (1 eps)
Chris O'Donnell
G. Callen (1 eps)
Ryan Devlin
Christian O'Connor (1 eps)
LL Cool J
Sam Hanna (1 eps)
Mary Pat Gleason
Land Lady (1 eps)
Theo Rossi
Sal Painter (1 eps)
Erin Cardillo
Megan Koruba (1 eps)
Blaise Godbe Lipman
Luke Preston (1 eps)
Michael Cowell
Leonard Baxter (1 eps)
William Sadler
John McGarrett (1 eps)
Claire van der Boom
Rachel Edwards (1 eps)
Mandy Moody
Angela (1 eps)
Elizabeth O’Brien
Ms. Lee (1 eps)
Michael Buie
Mitch Kolat (1 eps)
Jeremy Ratchford
Chet (1 eps)
Reyn Mager Aubrey
Tulley (1 eps)
Pakela Moriwaki
The Jock (1 eps)
Chase Bridgman
Jimmy The Nerd (1 eps)
Michael Ng
Rafe Tong (1 eps)
Maeve Quinlan
Sandra Fryer (1 eps)
Karl Herlinger
Toothpick (1 eps)
Max Perlich
Sam Sherman (1 eps)
Gloria Votsis
Holly Malone (1 eps)
Dean Kaneshiro
Lee Dolan (1 eps)
William Makozak
Richard Detweiller (1 eps)