On screen
Cast
24 credited performers
Linda Blair
Sarah Travis
Larry Hagman
Jerry Travis
Verna Bloom
Jean Hodges
William Daniels
Matt Hodges
Michael Lerner
Dr. Marvin Kittredge
Mark Hamill
Ken Newkirk
M. Emmet Walsh
Mr. Peterson
Artwork unavailable
Eric Olson
Bobby
Laurette Spang
Nancy
Steve Benedict
Ray Peterson
Artwork unavailable
Richard Roat
Fred Tyler
Marian Collier
Mrs. Peterson
Artwork unavailable
Hilda Haynes
Margaret
Artwork unavailable
Jessica Rains
Mrs. Tyler
Sheila Larken
Vice Principal
Artwork unavailable
Karen Purcill
Marilyn Cooper
Artwork unavailable
Heather Totten
Carol
Artwork unavailable
Dean Franklin
Boy
Bill Thornbury
Character not listed
Artwork unavailable
Lisa Coleman
Character not listed
Ted Gehring
Character not listed
Artwork unavailable
Jack McCulloch
Character not listed
Artwork unavailable
Rose Michtom
Character not listed
Artwork unavailable
Kathy O'Dare
Character not listed