Top Cast
Bonita Granville
Nancy Drew
John Litel
Carson Drew
James Stephenson
Challon
Frankie Thomas
Theodore 'Ted' Nickerson
Frank Orth
Captain Tweedy
Helena Phillips Evans
Mary Eldredge
Renie Riano
Effie Schneider, Drew's Maid
Charles Trowbridge
Hollister
Dick Purcell
Keiffer
Edward Keane
Adam Thorne
Mae Busch
Miss Tyson, the Nurse
Tommy Bupp
Spud Murphy (uncredited)
Betty Jane Graham
Brinwood Student (uncredited)
Stuart Holmes
Telegrapher (uncredited)
Vera Lewis
Miss Van Deering (uncredited)
Jack Mower
Radio Station Technician (uncredited)
John Ridgely
Radio Station Technician (uncredited)
Cliff Saum
Farmer (uncredited)
Joanne Tree
Brinwood Student with Black Hat (uncredited)
Brandon Tynan
Dr. Raymond 'Ray' Spires (uncredited)
Lottie Williams
Mrs. Ray Spires (uncredited)
Tom Wilson
Brennan, the Gate Guard (uncredited)