Was ist denn bloß mit Willi los? 1970
- Released: 1970-07-17
- Runtime: 87 minutes
- Genre: Comedy
- Stars: Heinz Erhardt, Ralf Wolter, Ruth Stephan, Stella Mooney, Rex Gildo, Willy Reichert, Wolfgang Lukschy, Ingrid van Bergen, Inge Wolffberg, Max Nosseck, Friedrich Schoenfelder, Helen Vita, Paul Esser, Rudolf Schündler, Fred Howe
- Director: Werner Jacobs