Sara Powell

Sara Powell born 23 June 1968 is a BritishJamaican stage screen and voiceover actress and audiobook narrator Her regular television roles include crown prosecutor Rachel Barker in the BBCs police procedural drama HolbyBlue 20072008 driver Sally Reid in ITVs firefighting drama Londons Burning 19931994 and psychologist Cass in Channel 4s sitcom Damned 20162018 She also played historical figure Mary Seacole in the thirteenth series of the BBC One longrunning science fiction series Doctor Who 2021 as well as a number of other characters in its spinoff audio dramas produced by Big Finish Productions