2. Jamie Lee Curtis In Halloween III
When people think of the Halloween franchise, the two people that come to mind are usually Jamie Lee Curtis' Laurie Strode and the nefarious Shape, Michael Myers - with special love reserved for Donald Pleasence's Sam Loomis.
Many savvy horror fans will be well aware that Curtis' Laurie has appeared in five Halloween outings to date - Halloween, Halloween II, Halloween H20, Halloween: Resurrection, and last year's return for the fan favourite franchise - but few are aware that Jamie Lee Curtis actually had a minor role in Halloween III: Season of the Witch.
That third outing for the franchise was the only movie, of course, to not see Michael Myers and his Haddonfield-stalking ways. Instead, the film was a standalone affair that centred on Tom Atkins' Dr. Daniel Challis as he looked to put a stop to the twisted schemes of Conal Cochran and his Silver Shamrock company.
Where Jamie Lee Curtis comes into this is that her voice is heard several times in the film - first as the Santa Mira curfew announcer, then as a telephone operator who has to deal with a frantic Challis.