Still in prison, Oliver faces his biggest challenge yet. Meanwhile, Felicity gets an intriguing offer, and Diggle asks Curtis to go undercover for ARGUS.
Quest roles:
Colton Haynes(Roy Harper / Arsenal), Michael Jai White(Ben Turner / Bronze Tiger), Cody Runnels(Derek Sampson), Vinnie Jones(Danny 'Brick' Brickwell), Brendan Fletcher(Stanley Dover), Tim Howe(Dunbar), Kirk Acevedo(Ricardo Diaz), Sydelle Noel(Samanda Watson), Holly Dignard(Red Dart), Miranda Edwards(Silencer), Michael Jonsson(Kodiak), Audrey Marie Anderson(Lyla Michaels), Shayne Elliott(Sentry Prisoner #1), Hector Johnson(Prisoner #1), Frances Leigh(Nanny), Leanne Khol Young(CDC Security Officer), David Bloom(FBI Boss), Matt Fentiman(Peter Tietjen), Marcello Guedes(Young JJ), Jon Bryant(Prisoner #2), Natalie Harris(Sofie)