Thomas Wright, Jason Clarke and Sam Worthington have joined the cast of Baltasar Kormákur's Everest
Together, they round out a top ensemble cast of that includes Josh Brolin, John Hawkes, Jake Gyllenhaal, Martin Henderson, Emily Watson, and Robin Wright.
The Universal Pictures project is based on Jon Krakauer's book "Into Thin Air," which was inspired by the true events of two expeditions' attempts to reach the summit of Mount Everest, the world's highest mountain. The expeditions, which took place in 1996, ended in tragedy when a storm hit and killed eight climbers.
Everest is scheduled to be in theaters September 18, 2015.