Despite losing half his team, Oliver remains confident that he, Felicity and Diggle can stop Cayden James and Black Siren. However, when he discovers one of Cayden’s secrets, he decides to team up with an unlikely ally. Meanwhile, Dinah spends time w... (more)ith Vince.

David Nykl, Johann Urb, Kirk Acevedo, Louis Ferreira, Michael Emerson, Tobias Jelinek