Terence Stamp

as Freddie Clegg

Samantha Eggar

as Miranda Grey

Mona Washbourne

as Aunt Annie

Maurice Dallimore

as The Neighbor

Edina Ronay

as Nurse / Next Victim (uncredited)

Kenneth More

as Miranda’s Older Friend (uncredited)

Allyson Ames

as First Victim (uncredited)

David Haviland

as Clerk (uncredited)