Vincent Price

Nicholas Medina / Sebastian Medina

John Kerr

Francis Barnard

Barbara Steele

Elizabeth Barnard Medina

Luana Anders

Catherine Medina

Antony Carbone

Doctor Leon

Patrick Westwood

Maximillian

Lynette Bernay

Maria

Mary Menzies

Isabella

Charles Victor

Bartolome

Larry Turner

Young Nicholas

Randee Lynne Jensen

Extra (uncredited)

Roger Corman