They're Calling, Open the Door is a Soviet feature film of 1965 directed by Alexander Mitta, the debut of the twelve-year-old Elena Proklova in the cinema.

Plot

Fifth-grader Tanya (played by Elena Proklova) has a crush on her school's senior Pioneer leader, tenth-grader Petya (played by Sergey Nikonenko). Her classmates tease her relentlessly for her feelings. Tanya's father, a geologist, is away on an expedition, and her mother has temporarily joined him, leaving Tanya under the care of a neighbor. Determined to impress Petya, Tanya immerses herself in school community activities and is assigned the task of finding an "interesting person"—one of the first pioneers.