Nancy Drew -- Detective 1938

Synopsis:

After a wealthy dowager who has made a substantial donation to her alma mater suddenly disappears, Nancy Drew sets out to solve the mystery.

Directed by: William Clemens
Written by: Kenneth Gamet
Runtime: 66 minutes
Tagline: A REAL SLEUTH SHOWS YOU HOW IT'S DONE! LAUGHS AND FUN FOR ALL!
Related titles:
Cast:
Bonita Granville
Bonita Granville
Nancy Drew 
John Litel
John Litel
Carson Drew 
James Stephenson
James Stephenson
Challon 
Frankie Thomas
Frankie Thomas
Theodore 'Ted' Nickerson 
Frank Orth
Frank Orth
Captain Tweedy 
Helena Phillips Evans
Helena Phillips Evans
Mary Eldredge