A horror comedy centered on a guy who learns that his unusual stomach problems are being caused by a demon living in his intestines.
Ken Marino
as Duncan
Gillian Jacobs
as Sarah
Peter Stormare
as Highsmith
Stephen Root
as Roger
Patrick Warburton
as Phil
Mary Kay Place
as Beatrice
Nick Jaine
as Abilash
Jonathan Daniel Brown
as Joey
Toby Huss
as Dr. Yeager
Adrian Quiñonez
as Janitor
Claudia Choi
as Jillian
Erik Charles Nielsen
as Allistair
