Marsha Mason

as Lois Gibbs

Bob Gunton

as Harry Gibbs

Penny Fuller

as Jeannie Kolchak

Roberta Maxwell

as Mary Belinski

Jeremy Licht

as Michael Gibbs

Louise Latham

as Pat Kinsman

James Ray

as Mr. Bain

Bianca Taylor

as Gail Shepherd

Thomas Hill

as Dr. Halperin

Robert Picardo

as Larry McGuinness

Priscilla Morrill

as Mrs. Fowler

Raleigh Bond

as Dave Hobart

Mackenzie Astin

as Tony Belinski

Michael Flanagan

as Spokesman

Tina M. Kaye

as Missy Gibbs

Peter Fox

as Mr. Davis

F. William Parker

as Dr. Ulster

Hope Clarke

as Chris

Nancy Steen

as Brenda

John Doolittle

as Missy's Doctor

Tom Fuccello

as Newsman

Dolores Sandoz

as Woman

Patricia Herd

as Maggie Hobart

Art LaFleur

as Homeowner

Dick Christie

as Photographer

Len Lawson

as Home Owner

Bob Swain

as Man In Line (Uncredited)