Nancy Drew and the Hidden Staircase

Nancy Drew

Ted Nickerson

Carson Drew

Captain Tweedy

Effie Schneider

Rosemary Turnbull

Floretta Turnbull

Daniel Talbert

Smitty

Reporter

Reporter

Reporter

Tribune Photographer

District Attorney's Investigator

Phillips

McKeever

McKeever's Secretary (uncredited)

Policeman (uncredited)

Reporters' Driver (uncredited)

Motorcycle Policeman (uncredited)

Ice Company Dispatcher (uncredited)

Turnbull's Kitchen Maid (uncredited)

Reporter (uncredited)

Motorcycle Policeman (uncredited)