Deadly Harvest - 1977 - Canadian Classic Horror Film [Full Movie]

Deadly Harvest is a 1977 Canadian science-fiction "eco-thriller" film about a farmer who struggles to keep food on the table and regain his son from a gang of marauding city-folk during a terrible worldwide famine, brought on by global cooling due to, among other named causes in a voice-over, overpopulation, urban sprawl, the energy crisis, pollution, and the high cost of transporting grain.

Principal photography took place at locations in Toronto and Pickering, Ontario over four weeks beginning in November 1976 and ending in early December, adapting the day for night technique to a "December-for-August approach" for the purposes of depicting a world having undergone global cooling.

Cast
Clint Walker as Grant Franklin
Geraint Wyn Davies (credited as Gary Davies) as Michael Franklin
David Brown as Charles Ennis
Jim Henshaw as John McCrae
Dwayne McLean as Frank Wilcox
Tami Tucker as Bobbie Franklin
Kim Cattrall as Susan Franklin
Dawn Greenhalgh as Leah Franklin
John Stoneham as Sam
Nehemiah Persoff as Mort Logan
Timothy Whelan as James Ennis
Les Carlson as The Minister
Nuala FitzGerald as Joyce Ennis
Cec Linder as The Chairman (Henry)
Sean Sullivan as Dr. Abbott (George)
Leo Leyden as The Minister of Agriculture
Michael Tait as Politician
Jan Rubeš as Swenson
Wally Crouter as Militia Man