Warning Sign is a 1985 American science fiction - horror film directed by Hal Barwood and starring Sam Waterston, Kathleen Quinlan, Yaphet Kotto, Jeffrey DeMunn, and Richard Dysart.

It looks like a big budget, explosive version of Warning Sign, a strange little horror movie I remember watching in the '80s. The plot of the 1985 film involves a deadly serum leaking …

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Find out how and where to watch "Warning Sign" online on Netflix, Prime Video, and Disney+ today – including 4K and free options.

Explore everything about "Warning Sign" (1985) including detailed plot summary, full cast and crew, critic and audience ratings, box office performance, and whether there's a post-credit …

Experience the intense 1985 sci-fi thriller Warning Sign. A deadly virus traps scientists in a lab. Can a sheriff and disgraced scientist breach quarantine? Watch this chilling outbreak film.

Science has given him the ultimate power to create new forms of life. But with that power comes overwhelming responsibility...and danger. An accident occurs in an ultra-secret government …

Warning Sign is a 1985 American science fiction-horror film directed by Hal Barwood and starring Sam Waterston, Kathleen Quinlan, Yaphet Kotto, Jeffrey DeMunn, and Richard Dysart.

"Warning Sign" is a 1985 outbreak thriller directed by Hal Barwood. Carrying a heavy dosage of science fiction and some crazed horror elements, "Warning Sign" is a one stop shop of a …

The security system of the complex closes and seals the building with all the personnel inside, putting them all at great risk. The relatives of the enclosed people threaten to do whatever it …