Derrick De Marney
— Charles Garrie
Beresford Egan
— Anton Minetti
Joan Greenwood
— Christine
Joan Seton
— Lucille
Frederick Valk
— Dr. Ivan Krasner
Lily Kann
— Maria
Bruce Winston
— Jo-Jo
Sybilla Binder
— The Medium
Martin Miller
— Morgue Keeper
Valentine Dyall
— Prefecture of Police
Gerhard Kempinski
— Sergeant of Police
Espinosa
— Ballet Master
Margaret Clarke
— Ballet Mistress
Anthony Hawtrey
— The Specialist
Rachel Brodbrar
— Country Girl
Billy Holland
— Cave Man
Cleo Nordi
— Suzanne