Both Tom Gallop (Dr. Julian) and Miguel Sandoval (Mr. Perez) were in episodes of Seinfeld.
Julianna Margulies (Carol Hathaway) & Martha Plimpton (Meg Corwin) also worked together on six episodes of The Good Wife (2009) as Alicia Florrick & Patti Nyholm respectively.
Julianna Margulies (Carol Hathaway) & Brooke Bloom (Quinn) also worked together on episode 1.17, Heart (2010), of The Good Wife (2009) as Alicia Florrick & Kate Willoughby respectively.