Tom and Ellen are asked to perform as a dance team in England at the time of Princess Elizabeth's wedding. As brother and sister, each develops a British love interest, Ellen with Lord John Brindale and Tom with dancer Anne Ashmond.
Fred Astaire
as Tom Bowen
Jane Powell
as Ellen Bowen
Peter Lawford
as Lord John Brindale
Sarah Churchill
as Anne Ashmond
Keenan Wynn
as Irving Klinger / Edgar Klinger
Albert Sharpe
as James Ashmond
Henri Letondal
as Purser (uncredited)
Viola Roache
as Sarah
Bess Flowers
as Backstage guest (uncredited)
Mae Clarke
as Telephone Operator #1 (uncredited)
James Finlayson
as Cabby (uncredited)
Shirley Jean Rickert
as Dancer in Haiti Number (uncredited)
