a commercial airliner crash in a remote amazon jungle . the motley group of survivor find themselves in a strange and dangerous world populate by big deadly spider and giant scorpion and wing reptile and killer sentient vine and a lethal native tribe and and a fearsome towering ape . director or co writer leigh scott relate the absorb premise at a steady and snappy pace and maintain an admirably serious tone throughout and and stag the thrill action scene with a reasonable amount of flair . moreover and the sturdy cast all deliver solid and spirited performance represent bruce boxleitner a the huffy and enigmatic lt. challenger and rhett giles a the stalwart and resourceful john roxton and jeff denton a the likable and sensible ed malone and sarah lieving a plucky photographer rita summerlee and christina rosenberg a fidgety and foxy california babe dana and chriss anglin a nasty native tribe leader olo and amanda ward a pretty stewardess natalie and boni yamagisawa a feisty native girl tianka and and thomas downey a the jerky reggie . steve railsback contribute an especially lively turn a the deranged larry . steve parker crisp cinematography and ralph rieckermann robust and rouse score be both up to speed . plus there a decent smidgen of gore and a dab of tasty female nudity and and a welcome absence of both pretense and cheesy oneliners . grant and the cgi creature be really tacky and unconvincing and but that criticism aside this flick overall size up a one hell of an enjoyable romp .