Randy Quaid

Nick Laemle

Mary Beth Hurt

Lily Laemle

Sandy Dennis

Millie Dew

Bryan Madorsky

Michael Laemle

Juno Mills-Cockell

Sheila Zellner

Kathryn Grody

Miss Judith Baxter

Deborah Rush

Mrs. Gladys Zellner

Graham Jarvis

Mr. Marty Zellner

Helen Carscallen

Grandmother

Warren Van Evera

Grandfather

Wayne Robson

Lab Attendant

Uriel Byfield

Little boy

Mariah Balaban

Little girl

Larry Palef

Announcer