All Cast
Barbara Steele
Cynthia Hichcock
Robert Flemyng
Prof. Bernard Hichcock
Silvano Tranquilli
Dr. Kurt Lowe
Maria Teresa Vianello
Margherita Hichcock
Harriet Medin
Martha, the maid
Spencer Williams
Al Christianson
Evaristo Signorini
Inspector Scott
Giovanni Querrel
Neil Robinson