Nancy Drew and the Hidden Staircase (1939)
Nancy helps two aging spinsters fulfill the byzantine provisions of their father's will, but the murder of their chauffeur complicates matters.
- Country : United States of America
- Genre : Comedy, Crime, Mystery
- Studio : Warner Bros. Pictures
- Director : William Clemens
- Cast : Bonita Granville, Frankie Thomas, John Litel, Frank Orth, Renie Riano, Vera Lewis