|Place of birth||Northbrook, Illinois, USA|
|Date of birth||September 16, 1960|
Jayne Brook, born September 16, 1960 in Northbrook, Illinois, USA, is an American actress. She plays Abby in the ABC series Sports Night. She guest stars in the second season. She is also known for her roles in Gattaca, Chicago Hope, Don't Tell Mom the Babysitter's Dead and Kindergarten Cop.