The neighbor that Michael kills while she talks on the phone to her friend Sally is named Alice. Michael also killed Alice Martin in Halloween 2 (1981), while she was talking on the phone to her friend, also named Sally.
Dr. Sam Loomis is Michael Myers' psychiatrist. Sam Loomis is also the name of Marion Crane's secret lover in Psycho (1960). Coincidentally, Marion Crane was played by Jamie Lee Curtis's mother, Janet Leigh, and Annie is played by actress Nancy Kyes, who was credited as Nancy Loomis. The name Loomis was also used in Scream (1996).