Joan Collins

Molly Carmichael

Peter Cushing

Michael Carmichael

Judy Geeson

Peggy Heller

Ralph Bates

Robert Heller

James Cossins

The Doctor

Gillian Lind

Mrs. Beamish

Brian Grellis

2nd Policeman

John Bown

1st Policeman

Jimmy Gardner

Psychiatrist (uncredited)