Pravidelné obsadenie série 4

1. 

   Alex O'Loughlin

   Steve McGarrett

2. 

   Scott Caan

   Danny "Danno" Williams

3. 

   Grace Park

   Kono Kalakaua

4. 

   Daniel Dae Kim

   Chin Ho Kelly

Hosťujúce hviezdy 13

1. 

   Taylor Wily

   Kamekona Tupuola

2. 

   Mackenzie Foy

   Lily Wilson

3. 

   Kelly Hu

   Laura Hills

4. 

   Robert Loggia

   Boatswain's Mate, Ed McKay, 1st Class

5. 

   Louis Lombardi

   Buddy

6. 

   Adam Beach

   Special Warfare Operator Graham Wilson, 2nd Class

7. Jennie Lee Sine

   Stephanie

8. Tiffany Robison

   Natasha

9. Kim Gennaula

   Dr. Susan Klesko

10. Massimo Galluzzo

    Yegor Chubais

11. 

    Michael Trisler

    Cop

12. 

    Eric Elizaga

    Clark

13. 

    Louis Lombardi

    Bubby

Štáb 1