Gloria Stuart was cast without taking a test. When Samuel Goldwyn was searching for an actress to play Princess Sylvia, Eddie Cantor suggested Stuart. Goldwyn took one look at the actress and decided that she was perfect for the role.
Lucille Ball's motion picture debut.
Since The Goldwyn Girls is credited in the early cast credits, but is not in the more comprehensive set of cast credits, the early credits are listed first in the IMDb cast, followed by those in the comprehensive credits not yet in, as required by IMDb policy on cast ordering.
The chorus girls - among them Lucille Ball - chained to the wall in the "No More Love" number are actually nude. The number was filmed during the night, when no studio bosses were around on the lot, with a minimum of technicians involved.
The studio had say over which girls Busby Berkeley could or could not use in his chorus lines and could reject one of them for any reason, though Berkeley usually fought for all of his casting decisions. For this film the studio rejected only two members of the chorus, Barbara Pepper and Lucille Ball.