If you saw that extraordinarily scary – yay, welcome back, scary! – clip of tonight’s American Horror Story that we posted yesterday, you saw our main characters but not our highly anticipated guest star, the creepiest guy on Heroes, Zachary Quinto. Well we have some lovely ZQ for you, in a long clip and ever so briefly in a TV spot. Ready? Here we go:

[youtube]http://www.youtube.com/watch?v=Ts8Uye_e7e0[/youtube]

IMPORTANT PROGRAMMING NOTE: Although FX had originally promoted that part 2 of tonight’s episode would air on Halloween, it will actually be shown on its usual spot next Wednesday, November 2.  They’ll instead be airing episodes 1-4 on Halloween night starting at 10/9c. Here’s the press release:

FX PRESENTS AN AMERICAN HORROR STORY HALLOWEEN MARATHON

Network Schedules Marathon Featuring the First Four Episodes of Its New Hit Drama Halloween Night Beginning at 10 PM E/P

 First Hour of a Special Two-part AHS Halloween-Themed Episode Guest Starring

Zachary Quinto Airs Wednesday, Oct. 26 at 10 PM E/P

FX will air a special Halloween marathon of the new hit drama American Horror Story featuring the first four episodes of the series on Monday, October 31 beginning at 10:00 PM E/P. In addition to the Halloween marathon, series Co-Creators and Executive Producers Ryan Murphy and Brad Falchuk have produced a special two-part Halloween-themed episode in honor of the horror-filled holiday; the first hour airs Wednesday, October 26 at 10:00 PM ET/PT and the second airs Wednesday, November 2 at the same time. Feature film star Zachary Quinto (Star Trek) guest stars in both episodes as one of the house’s former owners.

Listed below are episode descriptions for the AHS Halloween Marathon on Oct. 31:

• ·        Episode 1 – “Pilot” 10:00 PM E/P (original air date October 5, 10PM E/P) – A therapist moves his wife and teenage daughter across the country to escape their troubled past. The Harmon family quickly discovers their new home comes with its own kind of baggage. Written by Ryan Murphy & Brad Falchuk; Directed by Ryan Murphy.
• ·        Episode 2 – “Home Invasion” 11:10 PM E/P (original air date October 12, 10 PM E/P) – Vivien and Violet find themselves in a dangerous situation eerily similar to a past event.  Ben goes back to Boston to fix a mistake. Written by Ryan Murphy & Brad Falchuk; Directed by Alfonso Gomez-Rejon.
• ·        Episode 3 – “Murder House” 12:10 AM E/P (original air date October 19, 10PM E/P) – After putting the house back on the market, Vivien learns about its first residents.  Ben’s visitor causes him to further unravel.  Constance and Moira’s history is revealed. Written by Jennifer Salt; directed by Brad Buecker.
• ·        Episode 4 – “Halloween, Part 1” 1:10 AM E/P (original air date October 26, 10PM E/P) – The line between the living and the dead blurs on Halloween.  Two of the house’s previous residents give the Harmons decorating advice. Written by James Wong; Directed by David Semel.

But that doesn’t affect tonight; tonight is premiere airing of “Halloween Pt. 1” and is the first Zachary Quinto episode. DON’T MISS IT!

American Horror Story airs Wednesdays at 10/9c on FX.