MULTIPLE KILLERS, ONE BODY -- A psychiatrist killed by a blow to the head was treating a patient with multiple personalities, but which one killed her? Detectives get access to the patient's diary and try to narrow the killer down to one out of three personalities.

Season 5 | Episode 21

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