The drama, based on a Mexican series, focuses on a group of four maids working in Beverly Hills and is being developed by Desperate Housewives creator Marc Cherry.
Ana Ortiz has already signed up to play Marisol, a woman determined to investigate after her son was convicted of murder.
Wisocky has now joined the cast as Evelyn, the unhappily married owner of the house where the murder took place, Deadline reports.
Marisol begins working for Evelyn, who is described as self-obsessed and mean, in an attempt to discover more about the killing.
Wisocky recently appeared in American Horror Story. Her previous credits include The Mentalist and 90210.
Heroes star Dania Ramirez has also signed up for a role in Devious Maids.