Exclusive: TNT's Perception Picks Cary Elwes, Neal McDonough and Others for Guest Spots

Neal McDonough and Cary Elwes will guest-star on TNT’s upcoming new series, Perception, TVLine has learned exclusively.

TNT Renews Southland, Orders New Eric McCormack Crime Drama

Created by Star Trek: Voyager‘s Kenneth Biller and Mike Sussman and set to premiere next summer, Perception stars Eric McCormack (Will & Grace) as an eccentric neuroscientist/university professor who helps an FBI agent (played by Rachael Leigh Cook) solve criminal cases.

McDonough, who played Edie’s husband on Desperate Housewives, will appear in one episode as the CEO of an agricultural technology company. McCormack’s character enlists a codebreaker (The Princess Bride‘s Elwes) to decipher the messages of a serial killer who is murdering Frederick Dafoe’s (McDonough) business acquaintances.

Sheryl Lee (Twin Peaks) also has signed on for an episode of the new drama, playing a woman who for 26 years has suffered from anterograde amnesia, ever since surviving a serial killer’s attack. Pamela Reed (Parks and Recreation) will play her mother.