Diabolic

Diabolic is the sixth episode of the first season of 666 Park Avenue. It aired on November 4, 2012 and attracted 3.99 million watchers.

Synopsis
Jane is devastated when she doesn't receive much support from Henry or the detectives investigating the terror she experienced while Dr. Evans' gambling addiction leads to him becoming indebted to Gavin.

Plot
The aftermath of the Dorans' Halloween party leaves everyone with an emotional and psychological hangover. Jane, traumatized by the terror she experienced, is even more devastated by the lack of support not only from the detectives investigating the case, but from Henry, leading to repercussions in their relationship. Meanwhile, Dr. Evans, who suffers from a gambling addiction, becomes beholden to Gavin in order to pay off a large debt. Finally, Gavin tracks down the person responsible for endangering Olivia and stealing his property, and is determined to end the trouble or risk losing The Drake and everything he owns. And in one horrifying moment, Jane pieces together how is she is connected to the history of the building.

Cast
Starring
 * Rachael Taylor as Jane Van Veen
 * Dave Annable as Henry Martin
 * Robert Buckley as Brian Leonard
 * Samantha Logan as Nona Clark
 * Mercedes Masöhn as Louise Leonard
 * Erik Palladino as Tony DeMeo
 * Helena Mattsson as Alexis Blume
 * Vanessa Williams as Olivia Doran
 * Terry O'Quinn as Gavin Doran

Guest starring
 * Enrique Murciano as Dr. Todd Scott
 * Tessa Thompson as Laurel Harris
 * Peter Friedman as Samuel Steinberg
 * Misha Kuznetsov as Kandinsky
 * Nick Chinlund as Damon Shaw
 * Neimah Djourabchi as Satan
 * Teddy Sears as Detective Cooper
 * Tijuana Ricks as Detective Jarvis
 * Joseph Parks as Ivan Trent
 * Doug Wert as Gas Mask/Linden