Ingrid Bergman, Charles Boyer, Angela Lansbury. Gaslight is a nail biting thriller that defines "gaslighting" perfectly. Is Paula truly insane? This is a great movie to begin or end discussion on Psychology, Critical Thinking, etc...Certificate of Copyright Registration: TXu 2-159-163:Limited permission to reproduce this worksheet: Purchase of this worksheet entitles an individual to reproduce pages for the student/s. It is unlawful to reproduce this worksheet for profitable gain.