"Narrator: [a volcano near Antarctic erupts, causing an ice flow in the Arctic, which releases the Deadly Mantis] For every action, there is an equal and opposite reaction."

"Maybe there's an ordinary explanation to what happened, but I wouldn't take any bets."

"The female is larger than the male and invariably destroys her mate when he's fulfilled his function in life."

"I'm convinced that we're dealing with a Mantis in whose geological world the smallest insects were as large as man, and now failing to find those insects as food, well... it's doing the best that it can."

"[to June] Dan McCormack, as you knew him, was doomed the first day he came into this laboratory."

"John Dilson — Medical examiner"

"Frank O'Connor — Detective"

"George Meader — Dr. Bruno"

"Chester Gan — Wong"

"Ivan Miller — Doctor"

"Constance Bergen — Nurse"

"Ben Taggart — Detective sergeant"

"William B. Davidson — Ralph Stanley, the district attorney"

"w:Samuel S. Hinds as Dr. John Lawrence"

"Frank Albertson — Mark Adams"

"Anne Nagel — June Lawrence"

"Lon Chaney, Jr. — Dan McCormick"

"Lionel Atwill — Dr. Paul Rigas"

"THE TOUCH OF DEATH!"

"The most amazing monster the world has ever known."

"[to Dr. Rigas] With all the constructive things to be done, why do you concentrate on destruction?"

"I had just read 'The Silent World' by Jacques Cousteau and found it to be new and exciting. So when that picture came along, I wrote all the underwater stuff and went to Roger and told him I’d direct all the underwater parts for $100. He said 'okay.' If I had just asked, he would have said 'no.' I had to put it in a way that he would jump at. So I directed all that stuff and it was rather funny. I’d be down at the bottom of the tank at Marineland trying to get actors to do something while (director of photography) Floyd Crosby was hammering at the glass window trying to get them to do something else. It was all pretty silly."

"Mie Hama — Madame Piranha"

"Eisei Amamoto — Dr. Who"

"Linda Miller — Lt. Susan Watso"

"Akira Takarada — Lt. Commander Jiro Nomura"

"Rhodes Reason — Commander Carl Nelson"

"The fifty-year history comes to an END."

"Canadian Child: [playing with his monster toys and throws a plush Gamera into the fireplace] "You loser!" [sees Anguirus on TV] Woah, that's a real life Angilas! [his toy resembles the real Anguirus; shocked, and went to the other room] Mommy?! MOMMY!!!"

"[first lines] Over the past hundred years, a succession of relentless wars and widespread environmental destruction had awakened deadly monsters. At last, instead of killing each other, mankind had come together to combat the monsters. The Earth Defense Forces were born. At the same time, mutant humans with remarkable physical abilities were being discovered all over the world. The Earth Defense Forces recruited these mutant humans and formed them into a special unit. Their name: The M Organization. Their mission was to destroy the number one enemy, the King of Monsters that appeared in 1954, and has since regularly threatened man's very existence on this planet. Its name is.... [Godzilla roars]"

"Mel Wells — Jules Deveroux"

"Leslie Bradley — Dr. Karl Weigand"

"Russell Johnson — Hank Chapman"