In this sequel to the 1936 hit "Three Smart Girls," two of the actresses playing the Craig sisters reprise their roles. Deanna Durbin and Nan Grey play Penny and Joan respectively, but Helen Parrish replaces Barbara Read as Kay. Charles Winninger and Nella Walker play their parents in both films.
Deanna Durbin and Helen Parrish appeared together in three other films: Mad about Music (1938), First Love (1939) and It Started with Eve (1941).
Deanna sings Because, , Invitation to the Dance, La Capinera and The Last Rose of Summer.