Pamela Sue Martin

Abby

Parker Stevenson

Michael

George O'Hanlon, Jr.

Malcolm

Karen Balkin

Laura

Debralee Scott

Ann

Nora Heflin

Emmy

Kathryn Holcomb

Helen

Edith Atwater

Mrs. Pendleton

Meg Wyllie

Nurse

Mary Jackson

Miss Moran

Carol Arthur

Gym Teacher

Jerry Hardin

Mr. Keats

Robert Walden

Frank

Darrell Zwerling

Dr. Madden

Lou Frizzell

Dr. Freeman

Helene Winston

Mrs. H

Helen Baron

Mrs. Reed

Cliff Emmich

Hotel Clerk

Bob Harks

Party Guest (uncredited)