Barbara Steele is an English actress and producer, known for starring in Italian gothic horror films of the 1960s. She has been referred to as the "Queen of All Scream Queens" and "Britain's first lady of horror". She played the dual role of Asa and Katia Vajda in Mario Bava's landmark film Black Sunday (1960), and starred in The Pit and the Pendulum (1961), The Horrible Dr. Hichcock (1962), The Long Hair of Death (1964), and Castle of Blood (1964).