Kristy McNichol

Character: Mary Groda-Lewis

Matt Clark

Character: Fannie Groda

David Paymer

Character: David Lewis

Rachel Ticotin

Character: Rachel Martin

Piper Laurie

Character: Christine Groda

Leslie Wing

Character: Jill

Wayne Robson

Character: Dr. Sitton

Dorothy Dells

Character: Beatrice Symes

David Sage

Character: Dr. Miller

Romy Walthall

Character: Jeanine

Lycia Naff

Character: Delia

David Faustino

Character: Christopher

Sarah Partridge

Character: Barbara

Ron Recasner

Character: Bernard Fuller

Tamu Blackwell

Character: Eugenia

Shana Lane-Block

Character: Iris

Terry David Mulligan

Character: Dr. Powers

Jackson Davies

Character: Mr. Yates

Tom Heaton

Character: Gerald Crowhurst

Kate Robbins

Character: Jan

Sheila Moore

Character: Dr. Hofflund

Todd Duckworth

Character: Dr. Grovner

Tom McBeath

Character: Dr. Pearl

Christianne Hirt

Character: Natalie

Lossen Chambers

Character: Tanya

Twyla-Dawn Vokins

Character: Beth

Sharon Wahl

Character: Secretary

Gabrielle Rose

Character: Julie Trenton

Karen Elizabeth Austin

Character: Proper Lady

Peter Yunker

Character: Richard

Pam Dangelmaier

Character: SDS Teenager

Stephen Chang

Character: Karate Instructor

Frances Flanagan

Character: Nurse Osco

Ruby Montgomery

Character: Nurse Curtis

Joseph Golland

Character: Dr. McWright

David Mitchelle

Character: Optometrist

Robert Prowse

Character: Soldier (uncredited)

Jacob Rupp

Character: Driver (uncredited)