Robert King admitted that they worried about whether the “Good Wife” finale was clear enough on Alicia’s fate. At the last minute they tried to bring Morgan back to shoot a quick scene that would have made the status of the Alicia-Jason relationship crystal clear. But Morgan couldn’t get out of work on “Walking Dead” in Atlanta. And in hindsight King predicts that a shot of “Alicia falling into the arms of (Jason) would have been “too much of a cop-out.”
The Kings’ initial vision for the ending was to fade out on Alicia with tears in her eyes immediately after the slap. They wound up shooting her walking alone down a hallway, with a musical swell added to suggest hope for the character.
Source and more: Variety