Arrow Season 4 Episode 12
Overview
The team faces off against a formidable villain nicknamed The Calculator. Meanwhile, Nyssa makes her move and Roy Harper returns to Star City.
Director: Kevin Fair
Guest Star: Celina Jade, Colton Haynes, Dean Mckenzie, Echo Kellum, Elysia Rotaru, Janet Kidder, Jimmy Akingbola, Katrina Law, Natasha Gayle, Parker Young, Rila Fukushima, Tom Amandes, Venus Terzo