Sheila Cameron Hancock (born 22 February 1933) is a British actress and author. She works mostly on stage. She won a Laurence Olivier Award for "Cabaret". For her role in "Entertaining Mr Sloane" (1966) she was nominated for a Tony Award. She also had roles in "" (1980), "The Winter's Tale" (1982), "Prin" (1989) and "Sister Act" (2010). She appeared in the movie "The Boy in the Striped Pyjamas" (2008). 