When I Grow Up 1951

Synopsis:

Josh is a young boy who feels neglected and misunderstood at home. Preparing to run away, he chances across an old diary once kept by his grandfather. Leafing through the yellowed pages, Josh discovers that Grandpa went through many of the same childhood travails that he is enduring at that moment. Armed with a renewed understanding of and appreciation for his elders, Josh decides to stick around for a while and see how things develop.

Directed by: Michael Kanin
Runtime: 90 minutes
Tagline: Bobby takes on the elderly
Cast:
Bobby Driscoll
Bobby Driscoll
Josh / Danny Reed 
Robert Preston
Robert Preston
Father Reed 
Martha Scott
Martha Scott
Mother Reed 
Sherry Jackson
Sherry Jackson
Ruthie Reed 
John Wilder
John Wilder
Duckface Kelly 
Frances Chaney
Frances Chaney
Mrs. Kelly