Calificación
Reparto

Keir Dullea
David Clemens

Janet Margolin
Lisa Brandt

Howard Da Silva
Dr. Swinford

Neva Patterson
Mrs. Clemens

Clifton James
John

Richard McMurray
Mr. Stewart Clemens

Nancy Nutter
Maureen

Mathew Anden
Simon

Jaime Sánchez
Carlos

Coni Hudak
Kate

Karen Lynn Gorney
Josette

Janet Lee Parker
Sandra

Frank Perry
Newsdealer (uncredited)