"Jim Majelewski: [after killing Dr. Anthony Blakely] Look at this thing! It wasn't even human! Dr. Blake was trying to take over by controlling your minds through television. He's the one who was responsible for all those murders! I never killed anyone! I'm just a high school student! He tried to use me, just like he tried to use all of you. Everyone, please, look at the TV monitor. Because you know that's the truth! Please, look at the TV monitor! He tried to use me, just like he tried to use all of you! The truth is that it was him, not me! Dr. Blake commited all those murders, not Jim Majelewski!"

"Ellen Schwiers — Ella"

"George A. Cooper — Thomas Gabler"

"S. John Launer — Capt. Dave Harris"

"Mind over Matter."

"As with the other bodies stolen from cemeteries, the nerve endings of the brain were too far gone to receive a proper transplant. The experiment failed to produce anything more than a walking, breathing zombie-like creature. But the doctor permitted her to wander about the laboratory - she was harmless and at times even amusing."

"Gregory Gaye — Dr. Wilhelm Steigg"

"This animal looks content, doesn't it? You'd never suspect it had 18 electrodes implanted in its brain!"

"Anne Heywood — Anna Holt"

"A dead man walks the streets to stalk his prey! So terrifying only screams can describe it!"

"There's more to surgery than just being a carpenter to patch up walls or a plumber to drain pipes. Our body's capable of adjusting in ways we've never dreamt of. If we could only find the key!"

"He Comes from Beyond the Grave!"

"Peter van Eyck — Dr. Peter Corrie"

"The pounding of the afterbrain signals vengeance and death!!"

"INSTRUment OF TERROR!"

"Cecil Parker — Stevenson"

"Richard Denning — Dr. Chet Walker"

"Bernard Lee — Dr. Frank Shears"

"Oh, how she made them sweat. Especially this old fool, companion and gigolo. How many years she's kept him dangling on promises. Well, sometimes it's convenient to have a man, especially when he comes cheaper than servants."

"Linda Bennett — Penny Walker"

"Angela Stevens — Joyce Walker"

"Dr. Anthony Blakely: [watching The Brain eat a nurse] That's food for thought!"

"Charles Evans — Chief Camden"

"Pierre Watkin — Mayor Bremer"

"Steve Brodie — Yocum"

"Gene Evans — Dr. Frank Schratt"

"Paul Fix — The Handler"

"Vince Barnett — Curly, a rube"

"Ray Corrigan — Cheela the Gorilla"

"Fay Helm — Nurse Strand"

"Lew Ayres — Dr. Patrick Cory"

"Nancy Davis — Janice Cory"

"Shockingly savage Acquanetta as the Gorilla Girl!"

"Torn by strange desires!"

"Evelyn Ankers — Beth Colman"

"STRANGEST OF SIGHTS... The brain of an animal... the form of a woman!"

"A human form with animal instincts!"

"John Carradine — Dr. Sigmund Walters"

"You're not only going to watch this operation... You're going to be helpful to me."

"Why should a single life be so important?"

"Most elements are traceable to glandular disorders."

"Lola Montes — herself"

"End Narrator: So, behind these gates is buried the legend of a mortal who went beyond the realm of human powers and tampered with things no man should ever touch."

"Milburn Stone — Fred Mason"

"Charles Cane — Mr. Grimes"

"Juanita Quigley — Mary Lou"

"William Henry — Roger Collins"

"Josephine Dillon — Mary Lou's grandmother"

"Janet Martin — the café singer"

"Richard Arlen — Dr. Patrick Cory"