Patty Duke

as Barbara Reynolds

Nancy McKeon

as Nancy Parks

Lance Guest

as Michael Reynolds

Sean Astin

as Brian Reynolds

Deena Freeman

as Judy

Terrence Beasor

as Parks

Sean De Veritch

as Matthew

Leah Kates

as Dr. Jessica Gage

Toni Sawyer

as Mrs. Parks

Sandy Sprung

as Waitress

Beverly Todd

as Louise Hawley

Harvey Vernon

as Health Teacher

Joseph Whipp

as Coach Egan

J. Michael Baran