The promotional stills and synopsis for the upcoming Arrow episode 1×12 “Vertigo” have been released. These stills feature “The Count,” Oliver Queen’s biggest threat yet.

1×12 ‘Vertigo’

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Fringe‘s Seth Grabel will be guest starring as “The Count,” a dangerous drug dealer who will be Oliver Queen’s biggest threat yet. In the comics, Grabel’s character is known as Count Vertigo, but in Arrow he’ll just go as “The Count” while selling the drug Vertigo.

The synopsis was also released:

SETH GABEL (“FRINGE”) GUEST STARS WHILE THEA FACES PRISON TIME — Thea (Willa Holland) is in trouble with the police after she gets caught using a drug called “Vertigo.” Oliver (Stephen Amell) thinks the only way to keep her out of jail is to find the dealer, a man who goes by the name of “The Count” (guest star Seth Gabel). Oliver turns to McKenna Hall (guest star Janina Gavankar), an old flame and current Vice cop, for help. Meanwhile, Laurel (Katie Cassidy) steps in to defend Thea, and Felicity (guest star Emily Bett Rickards) gives Oliver some disturbing news about Moira (Susanna Thompson). David Ramsey, Colin Donnell and Paul Blackthorne also star. Wendey Stanzler directed the episode written by Wendy Mericle & Ben Sokolowski (#112).

Thanks, Green Arrow TV.

More ‘Arrow’ news

The promo for next week’s Arrow episode 1×11 “Trust But Verify” was released.

The stills and synopsis for Arrow episode 1×11 “Trust But Verify” were also released earlier.

Teen Wolf‘s Carter Hayes has joined Arrow as Roy Harper.

Battlestar Galactica‘s James Callis has also joined Arrow as The Dodger.