Dr. Bill Fuller
Dr. Jessica Morgan
Margo Simar
Dr. Dave McKay
Celia Graham
Saunders
Joan Fuller
Man with Margo
Roger
Jill
Guard # 1
Dr. Liebowitz
Epileptic (as Allan Habberfield)
Woman in London Hospital (as Lynda Kemp)
Escaping Guard
Jill's Mother (as Cathy Marielle)
Board Chairman
Soldier (uncredited)