Boris Karloff, Skelton Knaggs, Anna Lee, Jason Robards Sr.
Nell Bowen, the protégé of Lord Mortimer, wants to help change the conditions of notorious St. Mary's of Bethlehem Asylum (Bedlam). Though she tries to reform Bedlam, the cruel Master Sims who runs it has her committed there, but ultimately, it's the lunatics who've taken over the asylum.—Ken Yousten