It Happened at Lakewood Manor (1977)

Name: It Happened at Lakewood Manor
Genre: Drama, Horror, Thriller, TV Movie
Released: 1977-12-02
Duration: 95 min
Cast: Robert Foxworth, Lynda Day George, Gerald Gordon, Bernie Casey, Barry Van Dyke

They'll Make Your Nightmares Come True.

A lakeside resort comes under attack by a seemingly infinite hoard of flesh-eating ants.