Sitra Achra
- Blwyddyn: 1970
- Gwlad: United States of America
- Genre: Horror, Science Fiction, Drama
- Stiwdio: Infernal Machine
- Allweddair: video game, creepypasta
- Cyfarwyddwr: Levi Buchanan
- Cast: David Knell, Nathan Barnatt, Darius Pierce, Julie Elizabeth Knell, Allen Burrell, Joann Schinderle
