11 'Madam Secretary' Characters to Watch in the Final Season (PHOTOS)

Meredith Jacobs

[Warning: The below and gallery above contain MAJOR spoilers for Season 6, Episode 2 of Madam Secretary, "The Strike Zone."]

Madam Secretary's final season has gotten to an intense start with Elizabeth McCord (Téa Leoni) as President — but a major investigation into her campaign that could bring down everything.

Now that two episodes have aired and we're getting a sense of what to expect from the series' last episodes, we're taking a look at the characters (other than Elizabeth, of course) who appear to be key to what's coming up, and not just for Elizabeth.

'Madam Secretary's Téa Leoni on Elizabeth's Legacy as PresidentSee Also

'Madam Secretary's Téa Leoni on Elizabeth's Legacy as President

The star reveals her favorite scene and what she'll miss most about the CBS drama.

Click through the gallery above for the characters to keep an eye on moving forward and the ones we've been missing and hope to at least see or hear about again.

Madam Secretary, Sundays, 10/9c, CBS