Quiz

In a 1987 interview on Sinister Image (1987), Vincent Price revealed that the stage version had terrified him as a child. He accepted the film role in because he thought the filmmakers "would revive it and bring it up to date", but he was disappointed with the final result because "It wasn't a good script."

Final film appearance of Darla Hood.

The first of only two films in which Agnes Moorehead was the lead. The other was Cara dolce Delilah... morta (1972), in which she received top billing.

Cornelia's houseguest Judy, who plans to testify at an upcoming trial, is played by Darla Hood, who years earlier had been the leading lady in the Our Gang movies. This was her final screen appearance.

RKO bought the rights to remake the film from Mary Pickford, who had produced the first screen version, The Bat (1926).