On screen
Cast
17 credited performers
Michael J. Pollard
Dill
Harry Guardino
Arthur Belding
Bradford Dillman
Jonathan Fields
Hope Lange
Helen Atterbury
Pat Hingle
Lew Haley
Susan Saint James
Ida
Diana Hyland
Sarah
Victor Jory
Edward Arkroyd
Paul Stewart
Dr. Simon Joshua
Roy Jenson
Arnie
Lev Mailer
Character not listed
Susanne Benton
Arlene
Artwork unavailable
Jim Creech
Character not listed
Kent McCord
Character not listed
Artwork unavailable
Joan Bradley
Character not listed
James Doohan
Building Superintendent (uncredited)
Artwork unavailable
Donald Mitchell
Peter (uncredited)