| 1 | | | The Incident Tuesday, August 26, 2008 |
| | Pak | Yoo | Runs an experimental medical treatment device Miracle Submarine. |
| | TJ | | Has Autism. |
| | Mary | Yoo | Pak's daughter. aka: Meh-hee-yah |
| | | | A Year Later The Trial: Day One Monday, August 17, 2009 |
| 2 | | | Young Yoo |
| | Young | Yoo | Pak's wife. Mary's mother. Korean immigrant. |
| | Matt | Thompson | Doctor. |
| | Teresa | Santiago | Mother of one of the patients. |
| | Frederick | Carleton III | Judge |
| | Elizabeth | Ward | Defendant. |
| | Henry | Ward | Elizabeth's only child. |
| | Abraham | Patterley | Prosecutor. aka: Abe. |
| 3 | | | Matt Thompson |
| | Janine | | Matt's wife. Internist. |
| | Kitt | Kozlowski | Elizabeth's longtime friend. |
| | Mr. | Cho | Acupuncturist. Janine's father. |
| | Rosa | Santiago | Teresa's daughter. Has Cerebral Palsy. |
| 8 | | | Mary Yoo |
| | Anisha | | Young's acquaintance. |
| | Tosha | | Young's acquaintance. |
| 9 | | | Elizabeth Ward |
| | Victor | Ward | Elizabeth's ex-husband. |
| | Sheryl | | Elizabeth's neighbor. |
| | Beth | | Youngest attendee to Sheryl's party. |
| | Shannon | Haug | Elizabeth's lawyer. |
| | | | The Trial: Day Two Tuesday, August 18, 2009 |
| 10 | | | Matt |
| | Robert | Spinum | Yoos' neighbor. |
| 12 | | | Teresa |
| | Carlos | | Teresa's son. |
| | Steve | Pierson | Arson Specialist and Lead Investigator. |
| 13 | | | Elizabeth |
| | Ruth | Weiss | Leader of the protesters. |
| | | | The Trial: Day Three Wednesday, August 19, 2009 |
| 18 | | | Young |
| | Frank | Fishel | Delivery guy. aka: Frankie. |
| | Byeong-ryoon | Kim | Pak's former boss in Seoul, Korea. |
| 19 | | | Teresa |
| | Morgan | Heights | Detective. |
| | | | The Trial: Day Four Thursday, August 20, 2009 |
| 26 | | | Matt |
| | Anjeli | Hall | Attending Physician at Stanford Hospital. |
| 27 | | | Elizabeth |
| | Elaine | | Elizabeth's acquaintance. |
| 29 | | | Teresa |
| | David | | Mary's acquaintance. |
| | Thomas | | Teresa's ex-husband. |
| 30 | | | Elizabeth |
| | Anna | | Lawyer. Associate. |
| | Andrew | | Lawyer. Associate. |
