About Arrow Season 7, Episode 16 : Star City 2040

Mia and William venture into the Glades on a dangerous mission. There they run into Dinah, Roy and Zoe who deliver some devastating news. The flash forwards share highlights from Mia's childhood with Felicity. Guest Stars: Colton Haynes, Sea Shimooka, Katrina Law, Nels Lennarson, Orin McRey, Kamyar Pazandeh, Lisa Summers, Raj Paul, Andrea Sixtos, Joseph David-Jones, Ben Lewis, Katherine McNamara,