Guest Stars Emily Bett Rickards as Felicity Smoak Colton Haynes as Roy Harper John Barrowman as Malcolm Merlyn Manu Bennett as Slade Wilson Celina Jade as Shado Byron Mann as Yao Fei Gulong Sebastian Dunn as Edward Fyers Alex Kingston as Dinah Lance Chin Han as Frank Chen Duncan Ollerenshaw as John Nickel Christopher Redman as The Savior / Joseph Falk Co Starring Marrett Green as Merritt Davis Anna Van Hooft as Jenn Peter Benson as D.A. Gavin Carnahan Alex Rose as Turk Tarun Keram as Intern
