"The Screen Guild Theater" broadcast a 30 minute radio adaptation of the movie on January 20, 1949 with Red Skelton and Janet Blair reprising their film roles.
A major part of the movie involves a murder and a disappearing dagger. Red Skelton's character discovers someone has made the dagger by soaking the handle of one of his brushes in hot water and reshaping it. When the handle is put back into hot water it returns to its original shape. After trying numerous ways to make this look realistic with special effects the producers finally went to a plastics company and had them actually develop a "memory plastic". It was such a big story that it was in an article covered in "Life" magazine.