Two American backpackers, hiking in the Dominican Republic with a group of experienced locals, find themselves in the disorienting depths of a vast cave system, where desperation for survival drives them to make choices that will change them forever.
| Actor | Role |
|---|---|
 Nell Tiger FreeNot listed | Not listed |
 Thomas DohertyNot listed | Not listed |
 Lorenza IzzoNot listed | Not listed |