Olivia Hussey
Dr. Karen Murphy
William Atherton
Dr. Ira Gold
Sean Young
Mother
Christopher Denham
Alex Borden
Dee Wallace
Dr. Denise Bell
Udo Kier
Rev. Karl Hartman
Mark Margolis
Boris Pavlovsky
Larry Fessenden
Father
Erick Kastel
Harry Jellenik
Pollyanna McIntosh
Stacy
Paul Sparks
Jason
Daniel Manche
Young Harry
James Spruill
Lloyd
Patrick Wang
Sammy
India Eisley
Martha
Karen Anderson
Desk Nurse
Jeanette Arnone
Mother (KGB Lab)
David Austin
Female Creature
Matthew Biancaniello
Creature
Teodorina Bello
Hospital Cleaning Lady
Richard Blauvelt
Slattery, Guard #2
Stephen Benson
Social Worker
Dr. R.D. Bowers
Doctor #1
Paul Boritzer
Police Officer #1
Agata Bowman
Wheel Chair Patient
Elwaldo Baptiste
Highwater, Guard #1
Mercedes Lopez Renard
Reporter Connie Sanchez