Currently available on 2 streaming services.

The Dark Within - watch online: streaming, buy or rent

You can buy "The Dark Within" on Apple TV, Amazon Video as download or rent it on Apple TV, Amazon Video online.

Cast

Stephanie Lynn Styles
Dr. Norton
Kendra Carelli
Sarah Price
Niko Foster
Andrew Blaine
Lisa Cameron
Debra
Liam Matheson
Dr. Boris
HemDee Kiwanuka
Creature
Gavin Park
Creature#2
Miller Caleb
Young Marcus
Olivia Murray
Blaine, Mary
Harry Willis Fleming
Dr. DeBunker
Mark Wood
Stewart