60 mins | Crime, Comedy, Mystery | Sept. 9, 1939
60 mins | Crime, Comedy, Mystery | Sept. 9, 1939
| IMDb rating | 6.6 |
| Producers | Warner Bros. Pictures |
| Original title | Nancy Drew and the Hidden Staircase |
| Directors | Russell Saunders, William Clemens |
| Writers | Edward Stratemeyer, Mildred Wirt Benson, Kenneth Gamet |
as Nancy Drew
as Ted Nickerson
as Carson Drew
as Captain Tweedy
as Effie Schneider
as Miss Rosemary Turnbull
as Miss Floretta Turnbull
as Daniel Talbert
as Smitty
as Reporter
as Reporter (as DeWolf Hopper)
as Reporter
as Tribune Photographer
as District Attorney's Investigator (as Fredric Tozere)
as Phillips the Chauffeur
as McKeever
as McKeever's Secretary (uncredited)
as Policeman (uncredited)
as Reporters' Driver (uncredited)
as Motorcycle Policeman (uncredited)
as Ice Company Dispatcher (uncredited)
as Turnbull's Kitchen Maid (uncredited)
as Reporter (uncredited)
as Motorcycle Policeman (uncredited)
as Cop (uncredited)
as Reporter (uncredited)
as Burt the Iceman (uncredited)
as Teen (uncredited)
as Second Photographer (uncredited)