Which president's voice is heard in the film version of "The Rocky Horror Picture Show"?

The president's voice that is heard in the film version of "The Rocky Horror Picture Show" is President Richard Nixon.

Many films can claim the title “cult classic,” but few have ever embodied that term quite like "The Rocky Horror Picture Show". First written as a small stage production by an out-of-work actor who wanted to pay homage to the B movies, the film version flopped at the box office when it premiered in 1975. Then, as midnight showings continued, its following grew and grew and grew. People don’t just watch "The Rocky Horror Picture Show"—they live it. They were complete with costumes, props, and very vulgar audience participation. Four decades later, it remains the quintessential cult classic and audiences still like to react to the voice of Richard Nixon.