Leslie Grace (In the Heights, Batgirl) is set to star in survival thriller Propel.

The survival thriller follows Kate Acosta, a commercial diver who is swallowed by a giant sperm whale during a routine commercial dive. Trapped in a living prison and gasping for air, Kate must confront both real-life monsters of the deep and her inner demons as a desperate fight for survival and salvation unfolds.

Felipe Vargas (Rosario) directing from a script by Jeremy Marwick.

Javier Chapa and Phillip Braun of Mucho Mas Media are set to produce with Derrick Eppich for Empirical Evidence.

Described as a “pulse-pounding elemental thriller that will leave you breathless,” Altitude will introduce the project to buyers in Cannes next week.

Variety first reported on Propel.