ROSEMONT, Ill. - s4story -- Wizard World Chicago today announced the addition of three popular guests from hugely successful franchises, as Robert Patrick (Terminator 2), Jason David Frank ("Mighty Morphin' Power Rangers") and Mark Sheppard ("Supernatural," "Battlestar Galactica") bolstered the celebrity roster for the event, set for October 15-17 at the Donald E. Stephens Convention Center.

The trio are scheduled to appear all three days, when they will greet fans, sign autographs, pose for photo ops and conduct Q&A panels and potentially other special events.

Patrick portrayed "T-1000," the android assassin in the 1991 blockbuster, opposite Arnold Schwarzenegger and Linda Hamilton. It was a breakout role for the young actor, who has gone on to more than 150 film and TV roles, including regular stints on "True Blood" and "Sons of Anarchy" as well as Last Action Hero and Fire in the Sky.

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Frank is best known as the Green Power Ranger, though he has portrayed others in the action series. A martial arts enthusiast, Frank has appeared in dozens of iterations of the franchise and has been a frequent Wizard World guest.

The London-born Sheppard has had many sci-fi genre roles, notably as "Crowley" in "Supernatural," "Benedict Valda" in "Warehouse 13" and "Romo Lampkin" in "Battlestar Galactica." He has more than 60 big and small screen credits in all.

They join a growing Wizard World Chicago celebrity lineup previously announced: Sam Heughan ("Outlander"), William Shatner ("Star Trek," "Boston Legal"), Michael Rooker (Guardians of the Galaxy, "The Walking Dead"), Matthew Lewis (Harry Potter franchise, "All Creatures Great and Small"), James Marsters ("Buffy the Vampire Slayer," "Angel"), Dean Cain ("Lois & Clark: The New Adventures of Superman," "Supergirl"), Katie Cassidy ("Arrow," "Melrose Place"), Lou Ferrigno ("The Incredible Hulk," "King of Queens") and Charles Martinet ("Mario Bros." franchise). Additional celebrities, creators and other attractions will be announced shortly.

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Wizard World Chicago will also feature non-stop live entertainment, gaming, exclusive Q&A sessions with top celebrities, movie screenings hosted by stars and directors and more. Details to follow soon, along with programming and entertainment stage schedules.

Wizard World events bring together thousands of fans of all ages to celebrate the best in pop culture: movies, television, gaming, live entertainment, cosplay, comics, sci-fi, graphic novels, toys, original art, collectibles, contests and more. Show hours are Friday, October 15, 4-9 p.m.; Saturday, October 16, 10 a.m.-7 p.m.; and Sunday, October 17, 10 a.m.-5 p.m. Kids 10 and under are admitted free with paid adult.

Tickets start at $39.99.

http://www.wizardworld.com