Scatterbrained Betty Barrett mistakes masseur Jack Spratt for Jose O'Rourke, the captain of the South American polo team. Spratt goes along with the charade, but the situation becomes more complicated when they fall in love. Meanwhile, Betty's sensible older sister Eve fears Betty's heart will be broken when Jose returns to South America. She arranges to meet with the real O'Rourke and love soon blossoms between them as well.
Is Neptune's Daughter on Netflix? Unfortunately the movie Neptune's Daughter is not yet available on Netflix.
| Directing | Edward Buzzell | Director |
| Writing | Dorothy Kingsley | Screenplay |
| Production | Jack Cummings | Producer |
| Sound | Leo Arnaud | Original Music Composer |
| Sound | George Stoll | Original Music Composer |
| Camera | Charles Rosher | Director of Photography |
| Editing | Cotton Warburton | Editor |
| Art | Edward C. Carfagno | Art Direction |
| Art | Cedric Gibbons | Art Direction |
| Art | Edwin B. Willis | Set Decoration |
| Costume & Make-Up | Irene | Costume Design |
| Costume & Make-Up | Jack Dawn | Makeup Artist |
| Costume & Make-Up | Sydney Guilaroff | Hairstylist |
| Production | William Kaplan | Production Manager |
| Crew | Gil Perkins | Stunts |
| Sound | Frank Loesser | Songs |
| Writing | Frank Loesser | Lyricist |
| Sound | Douglas Shearer | Recording Supervision |
