The Secret of the Red Cat (German: Das Geheimnis der roten Katze) is a 1931 German comedy crime film directed by Erich Schönfelder and starring Rosa Valetti, Hans Junkermann and Margot Landa.

The film's sets were designed by the art directors Willi Herrmann and Herbert Lippschitz.

[3] The shady Red Cat nightclub is visited by American millionaire Tobias Jefferson and his daughter Jessie.

He has just acquired the famous and very valuable Halifax Diamond which attracts the interest of various regulars at the nightspot.

With the help of André Dupont, Jessie is ultimately able to prevent the theft of the diamond.