The Monster That Challenged the World

The Monster That Challenged the World is a 1957 film about giant mollusk monsters that attack California.
 * ''Directed by Arnold Laven. Written by David Duncan.

Crawling up from the depths... to terrify and torture! (taglines)

Dr. Jess Rogers

 * I find that people are always jumping to conclusions about nuclear reaction. Science fact and science fiction are not the same thing, not the same thing at all.
 * From the instant they're born, they're hungry.
 * We must remember that these creatures can travel over land, too.

Other

 * Dr. Tad Johns: As far as we know, in a man that age, only two things can cause stroke: violent anger, or fear.

Dialogue

 * Lt. Cmdr. John 'Twill' Twillinger:

Guess what, Sandy, you can go swimming again.
 * Sandy MacKenzie: [excitedly] Can I?

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BEACHGOER BEING EVACUATED---"What's going on? Has Mars finally invaded?"

Taglines

 * Crawling up from the depths... to terrify and torture!
 * A new kind of terror to numb the nerves!
 * In glorious black & white
 * Distinctly chilling. So real that it is nearly incredible.
 * Instant terror ... Just add water!

Cast

 * Tim Holt — Lt. Cmdr. John "Twill" Twillinger
 * Audrey Dalton — Gail MacKenzie
 * Hans Conried — Dr. Jess Rogers
 * Harlan Warde — Lt. Robert "Clem" Clemens
 * Max Showalter as Dr. Tad Johns
 * Barbara Darrow — Jody Simms