An accident occurs in an ultra-secret government biological weapons laboratory spreading a sinister bacteria.
Sam Waterston
Cal Morse
Kathleen Quinlan
Joanie Morse
Yaphet Kotto
Major Connolly
Warning Sign (1985) - Official Trailer
Trailer
2006 · Movie
1971 · Movie
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2021 · Movie
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2016 · Movie
1985 · Movie
2015 · Movie
2009 · Movie
2026 · Movie
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2014 · Movie
1998 · Movie
2025 · Movie
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1990 · Movie
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
Kavi Raz
Dr. Ramesh Kapoor
Keith Szarabajka
Tippett
J. Patrick McNamara
Connolly's Aide
Tom McFadden
Deputy Grazie
Jack Thibeau
Pisarczyk
Kyle T. Heffner
Video Technician #1
Meshach Taylor
Video Technician #2
Lori Hallier
TV Reporter
Jeannie Epper
Woman on Video Screen
Bernard Behrens
(uncredited)