Lilly Rush (played by Kathryn Morris) is a protagonist in Cold Case.
A Philadelphia homicide detective who specializes in cold cases. She leads investigations, initially partnered with Chris Lassing and later with Scotty Valens, working under Lieutenant Stillman. Scotty Valens (played by Danny Pino) is a protagonist in Cold Case.
A detective who partners with Lilly Rush for the remainder of the series, assisting in cold case investigations. Kat Miller (played by Tracie Thoms) appears in Cold Case.
A detective who joins the squad beginning in season three to assist with cold case investigations. Alexandra Thomas (played by Bonnie Root) appears in Cold Case.
Moe Kitchener (played by Daniel Baldwin) appears in Cold Case.
Louie Amante (played by Doug Spinuzza) appears in Cold Case.
Ryan Cavanaugh (played by Johnny Messner) appears in Cold Case.
Cold Case (2003) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Lilly Rush
(played by Kathryn Morris) — protagonist
A Philadelphia homicide detective who specializes in cold cases. She leads investigations, initially partnered with Chris Lassing and later with Scotty Valens, working under Lieutenant Stillman.
Scotty Valens
(played by Danny Pino) — protagonist
A detective who partners with Lilly Rush for the remainder of the series, assisting in cold case investigations.
Kat Miller
(played by Tracie Thoms) — supporting
A detective who joins the squad beginning in season three to assist with cold case investigations.
Alexandra Thomas
(played by Bonnie Root) — cameo
Moe Kitchener
(played by Daniel Baldwin) — cameo
Louie Amante
(played by Doug Spinuzza) — cameo
Ryan Cavanaugh
(played by Johnny Messner) — cameo
Canonical Relationships
Family, romantic, and professional connections based on plot evidence.
Ryan Cavanaugh → Lilly Rush
(Mutual Attraction)
S7E20 attraction grows while investigating David Quinn case
Lilly Rush → Ryan Cavanaugh
(FBI Liaison)
S7E18 FBI agent with ties to Stillman enlists team aid for serial killer
Alexandra Thomas → Lilly Rush
(Legal Advisor)
S4E22 ADA requests help on human trafficking case
Kat Miller → Lilly Rush
(Senior/Junior)
S2E8 Kat joins investigations, S3E6 Kat works undercover on gang violence
Lilly Rush → Alexandra Thomas
(Legal Advisor)
S4E22 ADA requests help on human trafficking case
Lilly Rush → Kat Miller
(Mentor/Mentee)
S2E8 Kat investigates communist teacher case, S3E6 Kat works undercover
Story Dynamics
Alliances, conflicts, and narrative interactions that evolve throughout the story.
Moe Kitchener → Lilly Rush
(Pursuer)
S7E1 Moe released on bail, S7E14 Lilly under IA investigation after Moe found murdered
Lilly Rush → Moe Kitchener
(Pursuer)
S7E1 Moe released on bail, S7E14 Lilly under IA investigation after Moe found murdered outside bar
Lilly Rush → Scotty Valens
(Protagonist Dynamic)
S1E6 rocky start, S7E16 Scotty investigates mother's past while Lilly handles cases
Scotty Valens → Lilly Rush
(Tactical Partners)
S1E15 Scotty undercover with Ana Castilla, S7E16 investigates mother's past
Scotty Valens → Kat Miller
(Field Team)
S3E6 Kat works undercover on gang violence, S4E14 Kat meets Skill Jones
Louie Amante → Lilly Rush
(Departmental Peer)
S7E15 Louie going to marry, team reopens fiancé's case to ensure safety
Lilly Rush → Louie Amante
(Departmental Peer)
S7E15 Louie going to marry, team reopens fiancé's case to ensure safety
Story Analysis
Overall narrative architecture across all 7 seasons, tracking investigative evolution and character dynamics.
