Guest Stars Ryan Bittle as John McGarrett Kunal Sharma as Koa Rey Jon Chaffin as Damien Bautista Jason Brooks as Owen Pearsen John Clarence Stewart as Hilo Colin Cunningham as Hester Makenna James as Bonnie Pearsen Co Starring Kimberly Estrada as Detective Belden Erin Smith as Young Doris McGarrett Mia Adams as Kiana Pearsen Al Waterson as Store Owner Christopher Amitrano as Bo Akoni Eric Elizaga as Young Duke Lukela Ty Quiamboa as Maleko Joseph Slaughter as Ioane Phillip Rios as Passenger-side Cop Revel Kolohe Sloboda as Young Steve McGarrett Brooke Lynne Alcuran as Female Customer