Young nurse Jill Holden gets involved with an extortion gang targeting Mrs Cheam, one of her patients. When Mrs. Cheam is murdered, Jill becomes a suspect and must clear her name.
| Actor | Role |
|---|---|
 Joan RiceJill Holden | Jill Holden |
| SSheldon LawrenceRoss Waters | Ross Waters |
| DDorothy BrewsterAngela Speakman | Angela Speakman |
 Ellen PollockMrs. Cheam | Mrs. Cheam |
 Victor BrooksSuperintendent Leigh | Superintendent Leigh |
 Alan TilvernPeter Lang | Peter Lang |
| CCecil BrockTony Speakman | Tony Speakman |
| AAlan KeithDr. Ian Probus | Dr. Ian Probus |
| AArthur GomezSgt. Bowles | Sgt. Bowles |
| DDeidre DayElla | Ella |
| KKenneth MidwoodMobile Police Sergeant | Mobile Police Sergeant |
| JJoe GibbonsBrooks | Brooks |
| WWilfred BoyleHotel Receptionist | Hotel Receptionist |