The titular role of Alicia Florrick was offered to Ashley Judd and Helen Hunt before Julianna Margulies signed on.
There was supposed to be a more prominent role for Alicia and Cary's executive assistant but this was aborted when the actress playing her - Gillian Jacobs - landed a main cast role on Community (2009).
Kalinda (Archie Panjabi) implies that she is 25 years old, by responding that she was 12 when Alicia (Julianna Margulies) says she was last in court 13 years ago. Archie Panjabi was actually 37 years old at the time.
The network was not thrilled with the proposed title of The Good Wife (2009) but, after over 120 alternatives, they finally relented.
Christine Baranski was keen to take on the role of Diane Lockhart as she wanted to break out of being largely perceived as a comedic actress.