Melissa Sue Anderson
— Molly Rush
Doug McKeon
— Harry Woodward
Steven Bauer
— Duncan Widders
Kristoff St. John
— Mario
Bill Calvert
— Max
Kendall Kay Munsey
— Beatrice
Pat Finley
— June Woodward
John Colenback
— Andrew Woodward
Paul Hostetler
— Professor Budnick
Robert Loper
— Amberman
Stephanie Shine
— Hilary
Steve Suttich
— Volleyball Coach
Sheryl Drummond
— Clerk
Susan Fenberg
— Stewardess
Denise Frisino
— Librarian
Dale Holdren
— Student
David Brachtenbach
— Molly's Classmate Friend