Nancy Drew and the Hidden Staircase
Nancy Drew
Ted Nickerson
Carson Drew
Captain Tweedy
Effie Schneider
Miss Rosemary Turnbull
Miss Floretta Turnbull
Daniel Talbert
Smitty
Reporter
Reporter (as DeWolf Hopper)
Tribune Photographer
District Attorney's Investigator (as Fredric Tozere)
Phillips the Chauffeur
McKeever
McKeever's Secretary (uncredited)
Policeman (uncredited)
Reporters' Driver (uncredited)
Motorcycle Policeman (uncredited)
Ice Company Dispatcher (uncredited)
Turnbull's Kitchen Maid (uncredited)
Reporter (uncredited)
Cop (uncredited)
Burt the Iceman (uncredited)
Teen (uncredited)
Second Photographer (uncredited)
