Arrow Season 4 Episode 5
Overview
When things take a turn for the worse with Sara, Oliver calls in a favor from an old friend who deals in the mystical, John Constantine.
Director: John Badham
Guest Star: Brandon Routh, Caity Lotz, Crystal Mudry, Echo Kellum, Jason Wingham, Jimmy Akingbola, Matt Ryan, Neal McDonough, Parker Young, Ryan Robbins, Winson Won