Guest Stars JR Bourne as Chris Argent Melissa Ponzio as Melissa McCall Arden Cho as Kira Yukimura Daniel Sharman as Isaac Lahey Charlie Carver as Ethan Matthew Del Negro as Rafael McCall Max Carver as Aiden Geno Segers as Kincaid Nobi Nakanishi as Young Katashi Cary-Hiroyuki Tagawa as Katashi Max Lloyd-Jones as Young Chris Argent