Going Berserk (1983)

IMDB
Genre : Comedy
TRAILER
Director : David Steinberg
Stars : John Candy, Joe Flaherty, Eugene Levy, Alley Mills
Plot : A clumsy chauffeur is hypnotized by a cult to kill the father of his fiancée, a congressman who's suing the cult for fraud, and encounters several weird characters during the days leading up to his wedding.