Jayne Brook is an American actress, known for her role as Dr. Diane Grad on the medical drama Chicago Hope. She appeared on the series from 1995 to 1999. Brook was born Jane Anderson Brook in Northbrook, Illinois. She graduated from Glenbrook North High School in 1978 at the age of 17. She then went on to attend Duke University on scholarship, earning a bachelor's degree in 1982. Brook is married to actor and director John Terlesky. They have two daughters. Her first acting role was in the film Superman IV: The Quest for Peace in 1987. During the late 1980s, she worked for a while in Great... Britain, appearing with Tom Conti and John Standing in The Old Boy Network, a single season ITV comedy series about three spies who set up as private investigators after the end of the Cold War. Brook went on to appear in larger roles, first as Carolyn in the 1991 film Don't Tell Mom the Babysitter's Dead, and later on the television series L.A. Law and in the 1995 film Bye Bye Love, with Paul Reiser. She also had a small part as a child's mother in Kindergarten Cop .
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