Cast of Home Alone 3

Alex D. Linz plays Alex Pruitt, the resourceful young boy who sets up elaborate traps to thwart the thieves.

Olek Krupa portrays Peter Beaupre, one of the thieves attempting to steal the computer chip.

Rya Kihlstedt takes on the role of Alice Ribbons, a member of the group of thieves.

Lenny Von Dohlen plays Burton Jernigan, another member of the group of thieves.

David Thornton portrays Earl Unger, a member of the group of thieves involved in the heist.

Haviland Morris plays Karen Pruitt, Alex's mother who is initially unaware of the danger her son is in.

Kevin Kilner takes on the role of Jack Pruitt, Alex's father who is away on a business trip during the events of the movie.

Marian Seldes portrays Mrs. Hess, Alex's elderly neighbor who becomes involved in the chaos.

Seth Smith plays Stan Pruitt, Alex's older brother who is also away from home for a school event.

Scarlett Johansson portrays Molly Pruitt, Alex's teenage sister who is also absent from home during the ordeal.

Christopher Curry plays Agent Stuckey, an FBI agent investigating the theft of the top-secret computer chip.

Baxter Harris portrays the Police Captain overseeing the investigation into the theft.