Sharon Clarke, often credited as Sharon D. Clarke (born August 12, 1966), is a British actress and singer, best known for her television roles as Lola Griffin in Holby City (2005-2007; 2019) and as Grace O'Brien in Doctor Who (2018-2021), as well as various roles on stage.
Clarke voiced fire chief Cass McCready in the Thunderbirds Are Go! episodes Impact and Getaway.