Attore	Ruolo
William Gould	Daniel Talbert
George Guhl	Smitty
John Ridgely	Reporter
William Hopper	Reporter
Creighton Hale	Reporter
Frank Mayo	Tribune Photographer
Frederic Tozere	District Attorney's Investigator
Don Rowan	Phillips
Dick Elliott	McKeever
Fern Barry	McKeever's Secretary (uncredited)
Nat Carr	Policeman (uncredited)
Sol Gorss	Reporters' Driver (uncredited)
Frank Meredith	Motorcycle Policeman (uncredited)
Jack Mower	Ice Company Dispatcher (uncredited)
Terry Nibert	Turnbull's Kitchen Maid (uncredited)
Paul Panzer	Reporter (uncredited)
Eddie Parker	Motorcycle Policeman (uncredited)

Bob Reeves	Cop (uncredited)
John J. Richardson	Reporter (uncredited)
Cliff Saum	Burt the Iceman (uncredited)
Joanne Tree	Teen (uncredited)
Jack Wise	Second Photographer (uncredited)

Dettaglio	Valore
Titolo originale	Nancy Drew and the Hidden Staircase
Lingua originale	English (EN)
Lingue parlate	English
Paesi di produzione	United States of America
Stato	Released
Compagnie di produzione	Warner Bros. Pictures
Data di uscita	9 settembre 1939
Director	William Clemens
Exec. Producer	Jack L. Warner, Hal B. Wallis
Producer	Bryan Foy
Writer	Mildred Wirt Benson, Kenneth Gamet, Edward Stratemeyer
Editors	Louis Hesse
Cinematography	L. William O'Connell
Asst. Directors	Russell Saunders, William Clemens

Camera Operators	L. William O'Connell
Add. Photography	L. William O'Connell
Production Design	Ted Smith
Art Direction	Ted Smith
Set Decoration	Ted Smith
Composer	Heinz Roemheld, Everett Alton Brown
Sound	Heinz Roemheld, Everett Alton Brown
Costume Design	Milo Anderson
Makeup	Milo Anderson
Hairstyling	Milo Anderson
Collezione	Nancy Drew Collection

Video

Cast Principale