Silent Witness Characters Overview

| Character_ | Actor | Series | Notes_ |
|---|---|---|---|
| Professor Sam Ryan | Amanda Burton | Series 1-8 | Sam originally lived and worked in Cambridge, but moved to London at the end of series three after she was offered the job of professor at a university. Sam departed in the first episode of series eight, A Time To Heal. Sam returned home to Ireland after a member of her family was implicated in a murder. |
| Dr. Trevor Stewart | William Armstrong | Series 1-3 | As well as being a pathologist in his own right, Trevor was Sam`s business partner, owning half of the morgue and its facilities. Trevor decided to stay in Cambridge with his friends and family when Sam accepted the professorship position at a university in London and moved away at the end of series three. |