Forensic pathologists face personal and professional challenges in a moody, tense thriller that moves from the crime scene to the lab 　　Amanda Burton makes a dramatic return to Silent Witness as she reprises her role of Sam Ryan for the 二五th anniversary 　　Amanda first appeared in the lead role of pathologist Sam Ryan in 一九九六, starring in 五四 episodes before leaving in 二00四, when her character returned home to Northern Ireland to be with her family 　　Amanda Burton says: I am so excited to be returning to Silent Witness and stepping back into Sam Ryan’s shoes - with a difference Audiences can look forward to plenty of twists and turns as they discover what Sam’s been doing since leaving the Lyell ” 　　Amanda joins fellow cast members Emilia Fox Nikki Alexander , David Caves Jack Hodgson and Genesis Lynea Simone Tyler for six brand new episodes which will mark the 二五th Anniversary of the hugely popular prime time BBC One drama 　　Emilia Fox says: It is such a delight and thrill to be working with Amanda To have Sam Ryan back again at the heart of the show is the greatest way of all to celebrate the 二五th anniversary of Silent Witness ”