Nightkill (1980)

Set in Arizona, an unhappily married woman (Jaclyn Smith) is having an affair. When her lover (James Franciscus) murders her husband (Mike Connors), he concocts a plan to impersonate the husband while taking a plane to Washington D.C. But when the wife discovers her lover's dead body where her husband's dead body should be, it's clear someone is playing deadly mind games. Directed by Ted Post (HANG 'EM HIGH), this is an inept thriller right from the start. Right at the very beginning when we're shown that the adulterous lovers are being bugged, the film makers blow the one "twist" that might have come as a surprise. Instead, it gives us a clue as to what is happening so that when the big reveal comes, we've pretty much figured it out ourselves. The film looks nice thanks to cinematographer Anthony B. Richmond (DON'T LOOK NOW) but the subpar score by Gunther Fischer does the film no favors. With Robert Mitchum as the detective working on the case, Fritz Weaver, Sybil Danning and Michael Anderson Jr.