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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.
as Joan
as Katherine
as Tina
as Claire Deeton, Darcy's mother
as Maureen Robinson
as Alison Shaeffer
as Kat
as Hannah Berrick
as Marie Freeman
as Jill
as Lydia
as Jane Jansen
as Irma Millard / Hermit of the Lagoon
as Claire
as Paula
as Karen
as Carolyn
as Zach's Mother
as Teacher - JFK High School
