(1944): Gaslight
You can sometimes find classic trailers or clips on platforms like YouTube or check its availability on services listed on IMDb . If you'd like to dive deeper, I can find:
Ingrid Bergman won her first Academy Award for Best Actress for her portrayal of Paula's agonizing descent into doubt. Gaslight (1944)
Ingrid Bergman , Charles Boyer , Joseph Cotten , and Angela Lansbury . You can sometimes find classic trailers or clips
The film is celebrated for its use of shadows, London fog, and claustrophobic interior sets that heighten the sense of paranoia. Gaslight (1944)
where it's currently available.