The pair's co-lead, Chaske Spencer, also shared how it was "fun to play off" Speedman while shooting their new Peacock series

It's not just the Chenoweth family undergoing this mystery, though. Their neighbors the Shanleys also get caught up in the drama. Chaske Spencer ( The Twilight Saga, Echo) plays Ruben Shanley and also teased not just drama within the family units but between the families as well.

The Peacock original echoes horror classics like John Carpenter's 'The Thing' while finding ways to feel original in its own right.

"If I can lose them in episode one, can I win back the audience as we go?" asks Speedman about his latest horror - this time, a mysterious eight-episode series from James Wan - while also looking back on 'Felicity' and teasing what's next for his 'Grey's Anatomy' role.