She then starred in the slasher film "Black Christmas" (1974), for which she won a Canadian Film Award for Best Actress; followed by a role as a prostitute in the Terrence Malick–scripted "The Gravy Train" (1974). She received another Canadian Film Award for Best Actress for her performance in the war drama "A Quiet Day in Belfast" (1974). Also in 1974, Kidder made her directorial debut with a 50-minute short film produced for the American Film Institute, titled "Again". The film follows a woman who pastes photographs of her former lovers on her wall, continuously searching for "Mr. Right."