Special Guest Stars Neal McDonough as Damien Darhk Grant Gustin as Barry Allen Guest Stars Audrey Marie Anderson as Lyla Michaels Cynthia Addai Robinson as Amanda Waller Co Starring Alison Araya as Officer Lopez Enid-Raye Adams as Laura Hoffman Jason Deline as Adam Hoffman Jaeson Lee as Mercenary Danielle Kremeniuk as District Attorney Michael Patric as Comptroller Paolo Maiolo as Alvarez Jaiven Natt as Boy Brady Roberts as Skel Maxwell Yip as Ghost Matt Hamilton as A.R.G.U.S. Agent Dean Marshall as Emergency Services