Peyton E. Park
Mannie Ahrens
Kevin Conway
Dr. William Haber
Bernedette Whitehead
George's Mother
Jo Livingston
George's Father
Frank Miller
Parole Officer
Gena Sleete
Woman on Subway
Margaret Avery
Heather LeLache
James Bodean
Guard (uncredited)
John Rainone
The Grey Person (uncredited)
Ben Stephenson
Scientist (uncredited)