Allison MacKenzie is a fictional character and one of the protagonists in the novel Peyton Place, its sequel Return to Peyton Place, the subsequent film adaptations of both, and the primetime television series and daytime soap opera they inspired. In the film Peyton Place, she was portrayed by Diane Varsi; in the movie sequel, Return to Peyton Place, she was played by actress Carol Lynley; in the 1960s television serial Peyton Place, she was played by Mia Farrow; and in the 1972-74 daytime serial Return to Peyton Place, she was played by actresses Katherine Glass and Pamela Susan Shoop. In the TV series she appeared from the first episode to the 263rd episode, between 1964 and 1966.