 Costume designer Walter Plunkett (qv) had worked in films since  1929, and some of his recollections were the source for gags about  the perils of early sound shooting. Jean Hagen (qv) loudly  "tapping" Gene Kelly (I) (qv) with her fan in "The Dueling  Cavalier" is based on a similar incident with Bebe Daniels (qv)  and John Boles (qv) in _Rio Rita (1929)_ (qv).