Octagon
- Blwyddyn: 2018
- Gwlad:
- Genre: Horror
- Stiwdio: With Teeth Films, The House of Films
- Allweddair: nightmare, delusions
- Cyfarwyddwr: Christopher Wiggins
- Cast: Kierney Nelson, Elizabeth Baden Knowles, Jeffrey Wells, Blythe Reed, Chandler Lane, Mark Cameron
