| 1.20pm, Sunday 2 February | Zoe (Detective Sergeant) | Mayer | 38 yr old homicide detective, partnered with Charlie. |
| | Charlie | Shaw | Homicide detective partnered with Zoe. |
| | Oliver | Nunn | Pathologist. |
| | Jenny | | Forensics major-crime-scene examiner. |
| 1.30pm, Sunday February | Angus | Batch | Detective partnered with Hannah. |
| | Hannah | Nguyen | Detective Sergeant. |
| | Ray | Carlson | Portsea murder victim (Mornington Peninsula). |
| | Dwayne | Harley | Longtime best friend of Ray. |
| | Harry | | Golden Retriever Police Service (Support) Dog for Zoe. |
| | Terry | Gunny | Local uniformed Portsea Sergeant. |
| | Donna | Carlson | Estranged wife of Ray. |
| 3.30pm, Sunday 2 February | Bobo | | Donna's white Shi Ztsu. |
| | Brenda | Johannes | Donna's sister. |
| | Tom | Hayes | Zoe's lawyer boyfriend. |
| | Jane | | Charlie's estranged wife. |
| | Alex | | Charlie and Jane's son. |
| | Anna (Dr) | Sorgstrom | Pathologist working with Oliver Nunn. |
| 7.55am, Monday 3 February | Iain | Gillies | 40's yrs old detective. |
| | Rob | Loretti | 50's yr old homicide squad's detective Inspector. |
| | Anjali | Arya | Tactical Intelligence Officer. |
| | Richard | Wilcox | 30's yr old welfare offer for Zoe. |
| | Garry | Burns | Detective Iain Gillies junior partner. |
| 12.30pm, Monday 3 February | Joshua | Priest | 40's yr old
acquaintance of Donna and Ray. |
| | Terry | Gunny | Policeman stationed at Rosebud. |
| | Yvette | | Friend of Donna's. |
| 6.30pm, Monday 3 February | Alicia | Kennedy | Zoe's 45 yr old police psychologist. |
| | Georgia | | Alicia's assistant. |
| | Freddie | | Alicia's Labrador rescue dog. |
| | Tabitha | Kennedy | Alicia's daughter. |
| 3.45pm, Tuesday, 4 February | Greg | Enders |
Acquaintance of Ray. |
| 4.00pm, Tuesday 4 February | John | Grant | 19 yr old petty criminal. |
| | Allan | Fredericks | Lawyer representing John. |
| 9.30pm, Tuesday 4 February | Kevin | Johanski | Young Constable guarding Joshua in hospital. |
| 6.30am, Wednesday 5 February | Sarah | Westbrook | Producer of popular 'Westbrook' podcast. Former TV journalist. |
| | Katie | Harley | Dwayne's 40 yr old wife & Greg's girlfriend. |
| 3.00pm, Wednesday 5 February | Trevor | Hill | Sarah's former high school classmate, awaiting trial for murder of Eric Drum. |
| | Eric | Drum | Hastings (Mornington Peninsula) murder victim, former high school classmate of Sarah. |
| | Sally | Johnstone | Director of Public Prosecutions and Tom's former girlfriend. |
| | Aaron | Smith | Convicted of murdering Ben. |
| | Ben | Jennings | Frankston (Mornington Peninsula), murder victim. |
| 6.30pm, Thursday 6 February | Charlotte | Jennings | Ben's 40 yr old wife. |
| | Melina | Fredericks | Forensics lab technician. |
| 9.15am, Friday 7 February | Doug | Strong | Drug Squad Detective. |
| | Frankie | Chambers | Drug Squad Detective. |
| 3.00pm, Friday 7 February | Rebecca | Willis | Forensics audio expert. |
| 6.30am, Saturday 8 February | Helen | | Real Estate Property Manager. |
| | Doug | Jones | Renter. |
| | Serge | | Old Italian fellow. |
| 6.00am, Sunday 9 February | Andrea | Millburn | Identified Eddie. |
| | Eddie | Nicholas | Attendee at Eric's funeral. Friend of Trevor and Jim. |
| | Jim | Crowley | Ex-army veteran of Iraq and Afghanistan. |
| | Alex | Verdi | Friend of Ben Jennings. |
| 4.45pm, Tuesday 11 February | Ivan | Raddich | Attended same schools as murder victims and accussed perpetrators. |
| 8.30am, Wednesday 12 February | Marko | Raddich | Ivan's younger brother, an IT consultant. |
| 3.30pm, Wednesday 12 February | Carol | Simmons | Attended same school as Ivan Raddich. |
| | Gareth | | Carol's 5 yr old son. |
| | Greg | Spanno | Attended same school as Ivan Raddich and bullied him. |
| 8.45am, Thursday 13 February | John | | Paramedic attending Zoe. |
| 7.30pm, Saturday 15 February | Marie | Harley | Dwayne's daughter. |
| | William & Mary | Rogers | Marko's next door neighbours. |
| 10am, Sunday 16 February | Rachel | | Young female constable. |
| | Joel | | Bomb disposal squad robot operator. |
| | Sophia & Richard | | Bomb disposal squad members. |
| 9am, Monday 17 February | Bianca | | Forensics officer. |
| 11.30am, Monday 17 February | Stefan | Thomas | Marko's lawyer. |
