(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:

George Cukor (known for The Philadelphia Story and My Fair Lady ). Gaslight (1944)

The film is celebrated for its use of shadows, London fog, and claustrophobic interior sets that heighten the sense of paranoia. You can sometimes find classic trailers or clips