as Nancy Drew

as Carson Drew

as Challon

as Theodore 'Ted' Nickerson

as Captain Tweedy

as Mary Eldredge

as Effie Schneider, Drew's Maid

as Hollister

as Keiffer

as Adam Thorne

as Miss Tyson, the Nurse

as Spud Murphy (uncredited)

as Brinwood Student (uncredited)

as Telegrapher (uncredited)

as Miss Van Deering (uncredited)

as Radio Station Technician (uncredited)

as Radio Station Technician (uncredited)

as Farmer (uncredited)

as Brinwood Student with Black Hat (uncredited)

as Dr. Raymond 'Ray' Spires (uncredited)

as Mrs. Ray Spires (uncredited)

as Brennan, the Gate Guard (uncredited)