On screen
Cast
11 credited performers
Barbara Steele
Cynthia Hichcock
Robert Flemyng
Prof. Bernard Hichcock
Silvano Tranquilli
Dr. Kurt Lowe
Maria Teresa Vianello
Margherita Hichcock
Harriet Medin
Martha, the maid
Artwork unavailable
Spencer Williams
Character not listed
Artwork unavailable
Al Christianson
Character not listed
Artwork unavailable
Evaristo Signorini
Inspector Scott
Artwork unavailable
Giovanni Querrel
Character not listed
Artwork unavailable
Neil Robinson
Character not listed
Artwork unavailable
Howard Nelson Rubien
Character not listed