"Major Cartwright: You know this Royston chap. Brilliant, of course, I'm sure. But the trouble with these scientific types is they can't see the easy way out of anything. It's got to be complicated if it's going to work."

"This is true! This is real! This actually happened!"

"In Strangloscope!"

"Guy Rolfe — Captain Harry Lewis"

"Murder Cult Terror In Exotic Asia"

"John Harvey — Burns, Company executive"

"Tutte Lemkow — Ram Das"

"[wakes and finds that his entire company have been strangled in their sleep] IS ANYBODY ALIVE? ANYBODY?"

"Jan Holden — Mary Lewis"

"Anthony Ireland — General Hayes"

"Hugh Moxey — Colonel Alfred Daniels"

"David Horne — Minister"

"Cecile Chevreau — Vanessa Mitchell"

"Michael Medwin — Dr. Toby Andrews"

"Andrew Osborn — Dr. Philip Crenshaw"

"[to Mary] This is some kind of organized conspiracy. I know it, and I'll find it out!"

"Whoever rules decides the truth."

"Can anything escape its terror?"

"David Spenser — Gopali Das"

"Liam Gaffney — Ian Bellows"

"John Van Eyssen — Robin Grant"

"Percy Marmont — Sir Walter"

"Glyn Dearman — Bill as a child"

"Stephen Murray — Bill Leggat"

"She lived two amazing lives under his spell!"

"Barbara Payton — Lena Maitland/Helen"

"Sean Barrett — Robin as a child"

"James Hayter — Dr. Harvey"

"Gerda Larsen — Street Girl"

"Ronald Adam — Doctor"

"An empty mind... and a new beginning!"

"Marie Burke — Woman at Private View"

"Francis de Wolff — Insp. LeGris"

"The screen's first story of SPACE ISLANDS in the sky!"

"Delphi Lawrence — Margo Phillipe"

"Jennifer Dearman — Lena as a child"

"BEHIND THIS FACE...a Terrifying Secret!"

"[Frightened, as Bonner metamorphs] Your eyes! What's the matter with your eyes?"

"His terrifying secret - his hideous obsession made him..."

"HIS HIDEOUS OBSESSION LED HIM TO COMMIT GHASTLY CRIMES OF PASSION AND VIOLENCE."

"What is death that it should be feared so much?"

"[to Weiss] You're old. You can see death staring you in the face, but I can't. I'm not going to die!"

"Christopher Lee — Dr. Pierre Gerard"

"Anton Diffring — Dr. Georges Bonnet"

"Arnold Marlé — Prof. Ludwig Weiss"

"[Before unveiling the bust] I would like to say at this stage that any credit due for what you are about to see should be laid at the feet of my charming young model. An artist cannot form a thing of beauty unless he has a thing of beauty from which to draw inspiration."

"Hazel Court — Janine Dubois"

"Kynaston Reeves — Lord Grant"

"Howard Duff — Dr. Stephen Mitchell"