"[about the mirror] But in a queer sort of way, it fascinates me. I feel as though that room, the one in the mirror, were trying to... to claim me. To draw me into it. It almost becomes the real room, and my own bedroom imaginary. [He takes a drag off his cigarette with a shaking hand] And I know that there's something waiting for me on the other side of the mirror. Something evil. Monstrously evil. And if I cross that dividing line, something awful will happen."

"Sam Kydd — The Police Station Sergeant"

"Gordon Jackson — BBC TV Producer"

"Really, Eliot! That story is totally incredible and decidedly improper!"

"Bartlett Mullins — Zookeeper"

"Harold Lang — Christie"

"Lionel Jeffries — Mr. Blake"

"Maurice Kauffman — Marsh"

"Thora Hird — Rosemary "Rosie" Elizabeth Wrigley"

"Oh, Mr. Craig. Now that you've met us, I sure that you wouldn't dream of dreaming about us again."

"Jane Asher — The Little Girl"

"It creeps, it crawls, it kills!"

"Brian Donlevy — Bernard Quatermass"

"Jack Warner — Inspector Lomax"

"All Earth Stands Helpless! Spawned in the depths of outer space—a monster so horrible, so vicious, so incredible—even when you see it you won't believe it could be!"

"Nobody ever wins a cold war."

"Beware of "THE CREEPING UNKNOWN!""

"It's coming for YOU from Space to wipe all living things from the face of the Earth! CAN IT BE STOPPED?"

"Margia Dean — Mrs. Judith Carroon"

"There's no room for personal feelings in science, Judith!"

"You Can't Escape It!"

"Richard Wordsworth — Victor Carroon"

"Nothing Can Destroy It!"

"David-King Wood — Dr. Gordon Briscoe"

"Allan Jeayes — Maurice Olcott"

"Magda Kun — Mitzi"

"Naunton Wayne — Larry Potter"

"Miles Malleson — the jailer"

"Basil Radford — George Parratt"

"Mary Merrall — Mrs. Foley"

"Frederick Valk — Dr. van Straaten"

"Barbara Leake — Mrs. O'Hara"

"Googie Withers — Joan Cortland"

"Mervyn Johns — Walter Craig"

"Anthony Baird — Hugh Grainger"

"Judy Kelly — Joyce Grainger"

"Ralph Michael — Peter Cortland"

"Sally Ann Howes — Sally O'Hara"

"Peggy Bryan — Mary Lee"

"Andrew Faulds — Brett"

"Stuart Saunders — Dewhurst"

"Frederick Schiller — Klein"

"Colin Douglas — Hans"

"Warren Mitchell — Professor Crevett"

"It's looking for you!"

"Forrest Tucker — Alan Brooks"

"The nightmare terror of the slithering eye that unleashed agonizing horror on a screaming world!"

"Laurence Payne — Philip Truscott"

"D'you see? Television cameras on da roof. We watch everywhere. You know, da government - da government, they say to me, "Professor, do you have to have such expensive things? Windows are much cheaper!" And I say I have to have, and I have! Dat over there, dat is the only window. And even for dat, we have protection. Look. [activates electric window cover] Dat will stand up to any avalanche. Uh, dat too was very expensive. All this to study cosmic rays, huh?"