Camryn Manheim has signed on for a major recurring role in Season 2 of ABC's "9-1-1: Nashville." She will play Dr. Marcia Zellner, a clinical therapist and crisis manager who supports the call center dispatchers as the Pharaoh killer terrorizes Nashville.

Camryn Manheim has signed on to join the Season 2 cast of ABC's "9-1-1: Nashville" in a major recurring role. She has been tapped for a key recurring role in the second season of the series.

Manheim will recur as Dr. Marcia Zellner, a clinical therapist and crisis manager who joins the call center to support the dispatchers. The character is described as brilliant and emotionally complex. She arrives as the dispatchers deal with the Pharaoh killer, who terrorizes Nashville with Biblical Plagues.

According to the character description, Dr. Zellner harbors a dark grudge and is far more twisted and conniving than anyone can imagine.