Cannibal Apocalypse (1980)

Cannibal Apocalypse
Horror, Crime, Thriller
Released from captivity in Vietnam, two American Army officers return to civilian life and discover they have acquired an insatiable taste for human flesh. A city is terrorised... as they stalk the inhabitants to satisfy their primitive appetites.
Starring
John Saxon, Elizabeth Turner, Giovanni Lombardo Radice, Cinzia De Carolis, Tony King, Wallace Wilkinson, May Heatherly, Ramiro Oliveros, Venantino Venantini, Renzo Pevarello
Directed By
Antonio Margheriti