Guest Stars Owen Morgan as Bert Joe Seo as Kyler Park Griffin Santopietro as Anthony LaRusso Nathaniel Oh as Nathaniel Yuji Okumoto as Chozen Toguchi Oona O'Brien as Devon Lee Barrett Carnahan as Young Kreese Alicia Hannah as Kim Da-Eun Terry Serpico as Captain Turner Owen Harn as Gabriel Tracey Bonner as Dr. Emily Folsom Co Starring Emily Marie Palmer as Betsy Rashal James as Guard Jaden Ponce as Zeke Jake Huang as Sensei Hyan-Woo Spence Maughon as Sensei Rosenthal Ben Bladon as Inmate Logan Coffey as Teenage Johnny