Katherine Heigl - Alexia "Alex '' or "Ally '' Wheaton, the older sister of Hayley, who is in Hayley 's body. Danielle Harris - Hayley Wheaton, the younger sister of Alexia, who is in Alexia 's body. Don Jeffcoat - Kyle Harding, Alexia 's Boyfriend Scott Wilkinson - Benjamin "Ben '' Wheaton Mary Parker Williams - Nan Wheaton Lois Chiles - Principal Mittermiller Ivey Lloyd - Caitlin Sheinbaum Matt Barker - Simon Jacque Gray - Kazumi
who plays haley in wish upon a star
Danielle Harris