|Joan Crawford||Diane Lovering|
|Clark Gable||Michael 'Mike' Bradley|
|Otto Kruger||Richard I. Field|
|Stuart Erwin||John L. 'Johnnie' Smith|
|Marjorie Gateson||Mrs. Louise Fields|
Richard, a millionaire in love with his secretary, Diane, is dispirited when his wife refuses to divorce him. Concerned that Diane will now lose interest, Richard offers her an all-expense-paid cruise to Argentina so that she can think it over. While traveling, however, Diane falls in love with fellow traveler Mike . She resolves to come clean to Richard, but upon return she becomes conflicted when she finds out he was able to get divorced after all.