"A love story that begins with an incredible experiment!"
An experiment on a simpleton turns him into a genius. When he discovers what has been done to him he struggles with whether or not what was done to him was right.
Cliff Robertson
Charlie Gordon
Claire Bloom
Alice Kinian
Lilia Skala
Dr. Anna Straus
Leon Janney
Dr. Richard Nemur
Ruth White
Mrs. Apple
Dick Van Patten
Bert
Edward McNally
Gimpy
Barney Martin
Hank
William Dwyer
Joey
Dan Morgan
Paddy
Marianna Case
Young Woman (uncredited)
Leon Collins
Tap Dancer (uncredited)
Harry Cooper
Conference Attendee (uncredited)
Frank Dolan
Eddie (uncredited)
Randee Lynne Jensen
Woman (uncredited)
Ralph Nelson
Convention Speaker (uncredited)
Donald Warnock
Phenomenon
Winter's Tale
Marjorie Prime
Life in a Year
Transcendence
Stormageddon
Forever Young
The Secret: Dare to Dream
The History of Love
Twin Falls Idaho