| Cast overview, first billed only: | |||
| Robert Forster | ... | David | |
| Robin Riker | ... | Marisa | |
| Michael V. Gazzo | ... | Chief Clark (as Michael Gazzo) | |
| Dean Jagger | ... | Slade | |
| Sydney Lassick | ... | Gutchel (as Sidney Lassick) | |
| Jack Carter | ... | Mayor | |
| Perry Lang | ... | Kelly | |
| Henry Silva | ... | Brock | |
| Bart Braverman | ... | Kemp | |
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John Lisbon Wood | ... | Mad Bomber |
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James Ingersoll | ... | Helms |
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Robert Doyle | ... | Bill |
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Patti Jerome | ... | Madeline |
| Angel Tompkins | ... | Newswoman | |
| Sue Lyon | ... | ABC Newswoman | |
Ramon the alligator is flushed down the toilet as a baby and grows into a gargantuan monster by eating the corpses of laboratory animals who have undergone dubious hormone experiments, thus providing all the ecological and social subtext that one could possibly wish for, even if one doesn't normally go for films about giant alligators eating people left, right, and center--which is the inevitable and tragic result of Ramon's decision that the outside world looks rather more interesting than the sewers.... Written by Michael Brooke <michael@everyman.demon.co.uk>
Get a grip on this good 'gator' flick. Some tongue-in-cheek dialog and gruesome special effects makes for an entertaining and fun movie to watch. A little girl's science project is flushed down the stool and a dozen years later grows to about 36 feet long living in the sewer system of Chicago. Sustained by a diet of pet carcasses used in an experimental growth clinic, this monster 'gator' is not going down without creating some terror and having a few snacks first. A very good mutant creature running amok movie.
Very able cast led by Robert Forster and Robin Riker. Doing notable work in support are Henry Silva, Michael V. Gazzo and veteran actor Dean Jagger. The sewer scenes pretty well set a creepy atmosphere. My favorite scene is during a brief encounter with the munching menace..."Do you think two sticks of dynamite will do?"