The film "Don't Say a Word" was filmed in New York, USA and Toronto, Canada.

Filming locations:

Bay Lower Station (TTC)

In the movie

In reality

The scene was filmed Located beneath the current Bay Station, Bay Lower operated for only six months in 1966. Since then, the platform has been used by the TTC for operator training and design experiments, and has often been used for filming to avoid disrupting regular subway service.

Conrad's apartment

In the movie

The scene where the exterior of the building is shown to indicate the psychiatrist's home, placing the character in a prestigious but bustling area of Manhattan. The intersection location and prominent facade on Broadway help orient viewers and emphasize the realistic urban atmosphere during key plot moments.

In reality

The scene was filmed at a well-known residential corner of the Upper West Side at Broadway and West 73rd Street, centered on 2109 Broadway (often associated with the historic Ansonia complex). The area features dense pre-war architecture, constant pedestrian traffic, and convenient access to the subway, making it a convenient and typically Manhattan backdrop for exterior filming.