Arrow season 6 has cast Lucifer’s Liam Hall as Slade Wilson’s son
Back in July at the Arrow panel at San Diego Comic-Con, executive producer Marc Guggenheim teased flashbacks for characters other than Oliver Queen (Stephen Amell). “Manu Bennett is back,” as Slade Wilson a/k/a Deathstroke, Guggenheim reminded the audience, “and one of the…
