From insidetv.ew.com:

"The parents (Queer as Folk‘s Gale Harold and Natasha Henstridge) aren’t your usual CW parents: As we quickly see in the premiere, two of the circle members have parents that have a mysterious, deadly serious agenda of their own. ”This is how I want to see this man,” Williamson says of Harold. ”I want to see him be devilish and delicious again. All the writers are very excited about the possibilities of what they can do with him. Everyone in the writers room was like, ‘Remember Queer as Folk when he did this, and when he did that?’ We’re gonna try to revisit his bad side, but at the time same time make it a complicated character so that we have a reason to love watching him."

Read the full article here, with more about Gale:
'The Secret Circle': Five reasons to love Kevin Williamson's new show