Générique complet
Nancy Drew and the Hidden Staircase
Bonita Granville
Nancy Drew
Frankie Thomas
Ted Nickerson
John Litel
Carson Drew
Frank Orth
Captain Tweedy
Renie Riano
Effie Schneider
Vera Lewis
Rosemary Turnbull
Louise Carter
Floretta Turnbull
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)
Réalisation
Scénario
Production
Bryan Foy
Production associée
Jack L. Warner
Production exécutive
Hal B. Wallis
Production exécutive
Lee Hugunin
Unit Manager
