Andi Matichak is an American actress. She has appeared in such television series as 666 Park Avenue, Orange Is the New Black and Blue Bloods. She starred as Allyson Nelson in the latest trilogy of the Halloween franchise which was a box-office and critical success. Halloween (2018) broke multiple records and she reprised her role in Halloween Kills and Halloween Ends.

Matichak was born in Framingham, Massachusetts, but raised in the suburbs of Chicago, Illinois. She attended St. Francis High School in Wheaton, Illinois. During a summer while still in high school, Matichak was approached by a talent scout and connected with representation in New York City as an actor. She began taking acting classes and fell in love with the art form and made the challenging decision to forego a soccer scholarship and instead move to New York City upon graduation and begin pursing acting.