When King Shark escapes from an A.R.G.U.S. holding tank, Lyla and Diggle travel to Central City to warn The Flash. King Shark shows up at the West house and attacks Joe, Iris, Wally and Barry.
Grant Gustin
Barry Allen / The Flash
Danielle Panabaker
Dr. Caitlin Snow
Carlos Valdes
Cisco Ramon / Vibe
Tom Cavanagh
Harrison 'Harry' Wells
Jesse L. Martin
Joe West
Candice Patton
Iris West
Haley Beauchamp
Dr. Tanya Lamden
Spencer Graham
A.R.G.U.S. Agent
Sylvesta Stuart
Technician
Audrey Marie Anderson
Lyla Michaels
David Hayter
King Shark (voice)
Benjamin Arcé
Guard
David Ramsey
John Diggle / Spartan
Violett Beane
Jesse Wells
Keiynan Lonsdale
Wally West
Teddy Sears
Jay Garrick / Zoom
