Following the arrival of The Monitor, Oliver Queen left his home, his family, & his team behind to take on his most challenging battle yet, knowing the cost may be his life. But this time it's not just his city he's seeking to protect – it's the entire multiverse. Oliver's quest will send him on a journey where he is forced to confront the ultimate question: what is the true cost of being a hero?

• Stephen Amell
• David Ramsey
• Rick Gonzalez
• Juliana Harkavy
• Katherine McNamara
• Ben Lewis
• Joseph David-Jones
• Katie Cassidy