I Know That You Know That I Know (Italian: Io so che tu sai che io so) is a 1982 Italian comedy-drama film directed by Alberto Sordi, who is also the co-protagonist with the Italian actress Monica Vitti.

It was entered into the 13th Moscow International Film Festival where it won a Special Prize.

[1] The film's sets were designed by the art directors Lorenzo Baraldi and Massimo Tavazzi.

This article related to an Italian film of the 1980s is a stub.

You can help Wikipedia by expanding it.This article about a 1980s comedy-drama film is a stub.