Special Guest Stars David Ramsey as John Diggle Guest Stars Teddy Sears as Jay Garrick Violett Beane as Jesse Wells Audrey Marie Anderson as Lyla Michaels / Harbinger Co Starring David Hayter voices King Shark Spencer Graham as A.R.G.U.S. Agent #2 Benjamin Arcé as Guard #1 Haley Beauchamp as Dr. Tanya Landem Sylvesta Stuart as Technician
