Gary Cairns

Allex

Brad Dourif

The Man

Nick Nicotera

Chad

Sienna Farall

Emily

Stefan Avalos

Grandfather, young

Jennifer Blanc-Biehn

Gail (as Jennifer Blanc)

Dana Daurey

1940's patient

Tanner Davis

The man, young

Ken Dickason

Test subject #1

Karla Droege

Woman in pit

Saidah Arrika Ekulona

Doctor

Darren P. Leis

Neurosurgeon

Thomas Loureiro

Sean

Suzan Meier

Nurse Richmond

Trista Robinson

Test subject #3