Name the Monster/Fantasy/Sci-Fi Movie Film Quote

[Monsters For Sale]

I knew of only one movie with a character named "Cal".

Answer to your clue:
DAY OF THE TRIFFIDS

That's it.

[tidroplane]

This Island Earth
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Got it! You're up!

[Mike Scott]

"No telling what went on inside of it. It's been gathering the secrets of time and space for billions of years."

[Monsters For Sale]

"No telling what went on inside of it. It's been gathering the secrets of time and space for billions of years."

The Monolith Monsters, 1957.  (Professor Flanders)

[Mike Scott]

The Monolith Monsters, 1957.

I figured you could probably quote the whole movie. 

[Monsters For Sale]

Female:  Your race has no women, it can't have children. It will die out.

Male:   Eventually we'll have children with you.

Female:  What kind of children?

Male:  Our kind.

[Mike Scott]

MARS NEEDS WOMEN ?

[Monsters For Sale]

MARS NEEDS WOMEN ? 

No.

[Mike Scott]

PAJAMA PARTY ?

[Monsters For Sale]

PAJAMA PARTY ?

No.

Think 1950's sci-fi.

[Mike Scott]

TEENAGERS FROM OUTER SPACE ?

[Monsters For Sale]

TEENAGERS FROM OUTER SPACE ?

No.

(I was afraid giving the whole exchange would make this one too easy.)

[Mike Scott]

I Married a Monster From Outer Space

[Monsters For Sale]

I Married a Monster From Outer Space 

Give that man a kewpie doll!

[Mike Scott]

"I must resume radiovision contact!"