Arrow: Felicity's Mom To Return

Charlotte Ross is returning to Arrow as Felicity Smoak's mother in an upcoming episode of the hit DC Comics adaptation from The CW.

TVLine has the news -- and very little else, except that she'll be back in time for the show's eighteenth episode.

Ross first appeared as Donna Smoak in the fifth episode of this season, titled "The Secret Origin of Felicity Smoak." That episode saw an old ex-boyfriend of Felicity's use a virus she designed years ago to launch a cyber attack on the city, with her mom being used as a bargaining chip.

It seems likely that more of Felicity's myserious past will be explored in the next appearance by Ross's character, since showrunners have long teased that they have a long-term plan to answer the questions posed about Felicity's backstory.

Recently on his Tumblr, executive producer Marc Guggenheim shot down a fan theory that Deadshot may be Felicity's father. So...that's one less (very unlikely) scenario to consider.