Petite Mari Blanchard split her career between television work and B-movie roles, including this 1957 sci-fi thriller from expatriate German director Kurt Neumann (The Fly). Blanchard's character is a dying woman given an experimental drug with unexpectedly dire results. With "Maverick" star Jack Kelly and Albert Dr. Cyclops Dekker as fruit fly fluid formulators. The cast also features "Blossom Rock" aka Marie Blake ("Grandmama" from The Addams Family), character actor George Baxter (The Flying Saucer), and suave Paul Cavanagh (Francis In The Haunted House). Cinematographer Karl Struss also filmed classics for DeMille, Murnau, Mamoulian, and others as well as 1953's Mesa of Lost Women.