Unusual Suspects is the fifteenth episode of NCIS Season 20 and the 450th episode of the entire NCIS series.
Synopsis
NCIS investigates when a ride-share driver is found dead after a car accident while Parker's father who is temporarily living with him helps the team with the case.
Prologue
Act One
Act Two
Act Three
Act Four
McGee and Parker in Interrogation.
Act Five
Cast
Series Regulars
| Name | Portrayed by | Role |
|---|---|---|
| Timothy McGee | Sean Murray | Senior Agent for the NCIS Major Case Response Team. |
| Nicholas Torres | Wilmer Valderrama | Special Agent for the NCIS Major Case Response Team. |
| James Palmer | Brian Dietzen | Chief Medical Examiner for the NCIS Major Case Response Team. |
| Kasie Hines | Diona Reasonover | NCIS Forensic Specialist. |
| Jessica Knight | Katrina Law | NCIS Special Agent. |
| Donald Mallard | David McCallum | NCIS Historian. Despite being credited, McCallum doesn't appear in this episode. |
| Leon Vance | Rocky Carroll | NCIS Director. |
| Alden Parker | Gary Cole | Special Agent in Charge of the NCIS Major Case Response Team. |
Recurring Cast
| Name | Portrayed by | Role |
|---|---|---|
| Roman Parker | Francis Xavier McCarthy | NCIS Special Agent Alden Parker's father. |
Guest Cast
| Name | Portrayed by | Role |
|---|---|---|
| Marilyn Davis | Jean St. James | A woman who is the wife of Solomon Davis, an art thief. |
| Bud | Alan Rachins | |
| Nigel Yang | Jonathan Ohye | Employee of Sunshine Pines. |
| Lisa Swenson | Annalisa Cochrane | |
| Nancy (Unusual Suspects) | Aixa Clemente | |
| Leora | Jody Jaress | |
| Mr. Sharp | Martin Kildare | |
| Sam Vega | Tyler Perez | Navy Petty Officer First Class and the main murder victim. |
| Kelly (Unusual Suspects) | Sydney Agudong | |
| Tyler (Unusual Suspects) | Cameron Wong | |
| Landlady (Unusual Suspects) | Lisa Costanza | |
| Nurse (Unusual Suspects) | Rufino Romero |