Dee Wallace
— Patricia (as Dee Wallace Stone)
Timothy Bottoms
— Francis / Douglas / Henry / Patricia's Father / Older Alan
Barbara Carrera
— Katherine
Mickey Rooney
— Simon / Henry, Sr.
Theresa Saldana
— Maria
Martin Kove
— Taxi Driver
Lilyan Chauvin
— Nurse
Kristian Hans Horn
— Alan (as Kristian Horn)