Cast
Renie Riano
Effie Schneider
Charles Trowbridge
Hollister
Betty Jane Graham
Brinwood Student (uncredited)
Stuart Holmes
Telegrapher (uncredited)
John Litel
Carson Drew
James Stephenson
Challon
Frankie Thomas
Ted Nickerson
Frank Orth
Captain Tweedy
Dick Purcell
Keiffer
Tommy Bupp
Spud Murphy (uncredited)
Vera Lewis
Miss Van Deering (uncredited)
Bonita Granville
Nancy Drew
John Ridgely
Radio Station Technician (uncredited)
Brandon Tynan
Ray Spires (uncredited)
Tom Wilson
Brennan (uncredited)
Edward Keane
Adam Thorne
Mae Busch
Miss Tyson
Jack Mower
Radio Station Technician (uncredited)