Overview
Three Smart Girls Grow Up is a 1939 American musical comedy film directed by Henry Koster, written by Felix Jackson and Bruce Manning, and starring Deanna Durbin, Nan Grey, and Helen Parrish. Durbin and Grey reprise their roles from Three Smart Girls, and Parrish replaces Barbara Read in the role of the middle sister. Durbin would reprise her role once more in Hers to Hold.
Plot
Three sisters believe life is going to be easy now that their parents are back together, until one sister falls in love with another's fiancé, and the youngest sister plays matchmaker.
Cast
Deanna Durbin as Penelope 'Penny' Craig
Nan Grey as Joan Craig
Helen Parrish as Katherine 'Kay' Craig
Charles Winninger as Judson Craig
Nella Walker as Mrs. Craig
Robert Cummings as Harry Loren
William Lundigan as Richard Watkins
Ernest Cossart as Binns, the butler
Felix Bressart as a music teacher
Charles Coleman as Henry
Production
In August 1938 Bruce Manning and Felix Jackson were reported as working on a sequel.
From Wikipedia (CC BY-SA 4.0).