"Narrator: Those who hunt by night will tell you that the wildest and most vicious of all animals is the tiny shrew. The shrew feeds only by the dark of the moon. He must eat his own body weight every few hours - or starve. And the shrew devours everything: bones, flesh, marrow... everything. In March, first in Alaska, and then invading steadily southward, there were reports of a new species: the giant, killer shrew."

"You're a strange man, Thorne. I never met anyone like you. You seem so disinterested in everything. Aren't you the least bit curious? Don't you wonder about the unusual things around here? The guns. The fence. The shattered windows. My accent. Anything?"

"Any unusual experiment produces unusual results."

"Their available food on ze island is nearing depletion!"

"Looks like a rat, smells like a skunk - some call them bone-eaters."

"Don't let their head get under! They'll flip us over!"

"Why, that's as big as a full-grown wolf!"

"You better tell them we're in a hurry and to roll up the red tape and put it into a drawer until this thing is over!"

"John Zaremba — Dr. Judson Uhl"

"Frank Puglia — Dr. Leonardo"

"Joan Taylor — Marisa Leonardo"

"William Hopper — Robert Calder"

"Out-Of-Space Creature Invades the Earth!"

"Thousands Flee in Terror Before the Death-Dealing Monster from Outer Space!"

"All the World Feared the Monster from Outer Space!"

"Greatest Monster Since King Kong Ravishes the Earth!"

"Space nightmares!"

"Monster from outerspace runs wild!"

"Marisa Leonardo: Caught me unprepared. I've been cooking over a hot creature all day."

"Narrator: Great scientific advances are oftentimes sudden accomplished facts before most of us are even dimly aware of them. Breathtakingly unexpected, for example, was the searing flash that announced the atomic age. Equally unexpected was the next gigantic stride when Man moved out of his very orbit to a point more than 20 million miles to Earth."

"Get that elephant out of there!"

"Doc, this is like a parachute. It's got to work the first time!"

"I guess I frightened it as much as it frightened me."

"Incredible! The creature has to be taken alive!"

"Why is it always, always so costly for Man to move from the present to the future?"

"I've had nightmares in my time, but I've never dreamed of anything like this."

"The Amazing New Warner Bros. Sensation!"

"James Arness — FBI Agent Robert Graham"

"Joan Weldon — Dr. Pat Medford"

"Edmund Gwenn — Dr. Harold Medford"

"James Whitmore — Sgt. Ben Peterson"

"Kill one and two take its place!"

"A horror horde of crawl-and-crush giants clawing out of the earth from mile-deep catacombs!"

"We may be witnesses to a Biblical prophecy come true - 'And there shall be destruction and darkness come upon creation, and the beasts shall reign over the Earth.'"

"None of the ants previously seen by man were more than an inch in length - most considerably under that size. But even the most minute of them have an instinct and talent for industry, social organization, and savagery that makes man look feeble by comparison."

"Nick: Hey, wait! I get it...French Class! [laughs]"

"Wayne: Wait a second, Nick doesn't play baseball."

"Frank Welker as Special Vocal Effects (voice)"

"Jared Rushton as Ron Thompson"

"Thomas Wilson Brown as Russ Thompson, Jr."

"Kristine Sutherland as Mae Thompson"

"Matt Frewer as Russ Thompson, Sr."

"Robert Oliveri as Nick Szalinski"

"Amy O'Neill as Amy Szalinski"

"Marcia Strassman as Diane Szalinski"

"Russell 'Russ' Thompson, Sr.: The coach put me on these babies. You know what happened? I put on twenty pounds of pure unadulterated blitz-the-quarterback-and-rip-his-head-off muscle, Russell!"