|Joe Dante Director||previously directed Hollywood Boulevard|
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A waitress from the Holiday Inn where the director and crew were staying stood in for Heather Menzies during the topless shots because Menzies was concerned that her husband might not approve of the nude scene.2 More Trivia
What about the goddamn piranhas?
They're eating the guests, sir.
|Bradford Dillman||Paul Grogan|
|Heather Menzies||Maggie McKeown|
|Kevin McCarthy||Dr. Robert Hoak|
|Dick Miller||Buck Gardner|
|Barbara Steele||Dr. Mengers|
|Melody Thomas Scott||Laura Dickinson|
|Bruce Gordon||Colonel Waxman|
|See Full Credits|