Ellis Peters was the pseudonym of Edith Mary Pargeter (1913 1995), a British author whose Chronicles of Brother Cadfael are credited with popularizing the historical mystery. Pargeter won an Edgar Award in 1963 for Death and the Joyful Woman, and in 1994 she was appointed an officer of the Order of the British Empire.
Sir Derek Jacobi is an Emmy and BAFTA-award winning actor with more than 100 films and television credits, including I, Claudius; Last Tango in Halifax; and Gladiator. He was knighted in 1994.