CONCENTRIC CIRCLES - Detectives Briscoe (Jerry Orbach) and Curtis (Benjamin Bratt) find themselves in college when a promising mathematician is found strangled and stabbed. The detective's investigation uncovers the young woman's turbulent relationship with a professor, but they fall short on evidence that links the crime to the affair. When Assistant District Attorneys McCoy (Sam Waterston) and Carmichael (Angie Harmon) intercede, they become suspicious of two friends of the victim who seem determined to protect each other's stories. S. Epatha Merkerson and Steven Hill also star.

Season 9 | Episode 22

Jerry Orbach

Detective Lennie Briscoe

Angie Harmon

Assistant District Attorney Abbie Carmichael

Sam Waterston

Executive Assistant District Attorney Jack McCoy

S.Epatha Merkerson

Lt. Van Buren

Jesse L. Martin

Detective "Eddie" Edward Green

Benjamin Bratt

Detective Reynaldo "Rey" Curtis

Dianne Wiest

District Attorney Nora Lewin

Steven Hill

District Attorney Adam Schiff