This was the final episode of The Twilight Zone (1959) to be filmed, although two episodes filmed earlier were aired afterwards.
As a teenager, Liza Minnelli auditioned for the role of Mary Rachel opposite Gary Crosby. Minnelli was so nervous that the producer William Froug commented: "She'll never make it." Minnelli lost out to Bonnie Beecher. This episode was Ms. Beecher's acting debut.
The headstock of Floyd Burney's guitar has black tape across the label covering the Gibson name brand.
Floyd Burney's guitar is a Gibson ES-295 electric arch-top.
The portable tape recorder is the same as the tape recorder used in "The Jeopardy Room."