Episode Overview
A bomber nicknamed Shrapnel has set his sights on Sebastian Blood, and Oliver dons his mask to protect his newfound ally. Meanwhile, Laurel investigates Sebastian's aunt who is locked up in a mental institution, and Thea learns about Roy's newfound superstrength.
Guest Stars
Caity Lotz
Sara Lance
Dylan Bruce
Adam Donner
Sean Maher
Mark Scheffer / Shrapnel
Paul Lazenby
Thug
Claire Lindsay
Businesswoman
Annabel Kershaw
Middle Aged Woman
Dylan Neal
Dr. Anthony Ivo
Jesse Hutch
Officer Daily
Ana Mercedes
Maya Resik
Janet Glassford
Nurse
Kevin Alejandro
Sebastian Blood / Brother Blood