Jayne Brook

Biography

Jayne Brook (born September 16, 1960) is an American actress, best known for her roles as Dr. Diane Grad on the medical drama Chicago Hope, as a series regular for five of the show's six seasons, and Mary Ann Mitchell on The District from 2000 to 2002. Between 2017 and 2019, Brook had a recurring role as Starfleet Vice Admiral Katrina Cornwell in the series Star Trek: Discovery.

Known For

Grey's Anatomy

as Gwen Graber

Gattaca

as Marie Freeman

Kindergarten Cop

as Zach's Mother

NCIS

Castle

as Claudia Peterson

Star Trek: Discovery

as Admiral Katrina Cornwell

CSI: Miami

as Mia Eckhart

Superman IV: The Quest for Peace

as Teacher - JFK High School

Revenge

as Loretta Deaton

Don't Tell Mom the Babysitter's Dead

as Carolyn