From "Private Practice" to "The Good Wife" ...
McDonald is only slated for one episode at the moment, but will possibly have an arc.
Other Season 4 "Good Wife" guest stars include Matthew Perry, Kristin Chenoweth, Maura Tierney and Michael J. Fox.
In other casting news...
Deborah Shelton and Cathy Podewell are headed back to "Dallas." J.R.'s mistresses are on their way back to Southfork for one last J.R.-related hurrah. Known for playing Mandy Winger and Cally Harper, the actresses will reprise their roles to say a few words at J.R. Ewing's (Larry Hagman) funeral. [TV Guide]
"True Detective" has nabbed some new cast members. Alexandra Daddario, Elizabeth Reaser, Wood Harris and Michael Potts have all landed roles in HBO's new series. [Deadline]
Mark Moses is "Blue Bloods"-bound. The "Mad Men" alum has been cast on the CBS series as Curtis Swint, a "racist, xenophobic talk-radio host," who broadcasts his show live in New York. [TV Guide]