

Warning Sign
Directed by Hal Barwood
An accident occurs in an ultra-secret government biological weapons laboratory spreading a sinister bacteria.
Watch trailerWhere to watch in πΊπΈ United States
Top cast

Sam Waterston
Cal Morse

Kathleen Quinlan
Joanie Morse

Yaphet Kotto
Major Connolly

Jeffrey DeMunn
Dr. Dan Fairchild

Richard Dysart
Dr. Nielsen

G.W. Bailey
Tom Schmidt

Jerry Hardin
Vic Flint

Rick Rossovich
Bob
Cynthia Carle
Dana

Scott Paulin
Captain Walston
Frequently asked questions
Where can I watch Warning Sign online?
Warning Sign is not currently included with any streaming subscription in United States, but you can rent or buy it digitally on Amazon Video, Apple TV Store, Google Play Movies, YouTube, and Fandango At Home. Availability differs by country, so it may be on a subscription service elsewhere.
Is Warning Sign on Netflix?
No β Warning Sign is not currently on Netflix in any of the countries we track.
Can I rent or buy Warning Sign online?
Yes. In United States, Warning Sign can be rented on Amazon Video, Apple TV Store, Google Play Movies, YouTube, and Fandango At Home and purchased on Amazon Video, Apple TV Store, Google Play Movies, YouTube, and Fandango At Home.
In which countries can I stream Warning Sign?
Warning Sign is not currently included with a streaming subscription in any of the countries we track, though it may be available to rent or buy digitally.
Streaming availability last checked on November 4, 2026. Catalogues change frequently β data from TMDB and JustWatch.












