“Get Out” star Allison Williams and German actor Alexander Dreymon are set to star in the upcoming survival-thriller “Horizon Line” for STXfilms and Nordic company Sf Studios.

Principal photography will commence in Mauritius on Feb. 11 before moving to Dublin and then Pinewood in London. STXinternational is handling international distribution and will launch sales at the upcoming European Film Market at the Berlin Film Festival.

Sf Studios’ Fredrik Wikström Nicastro (“Borg/McEnroe”) is producing, with Mikael Marcimain set to direct. The original screenplay was written by the team of Josh Campbell and Matt Stuecken, who penned “10 Cloverfield Lane.”

Williams and Dreymon will portray former lovers who find themselves reunited ahead of their friend’s tropical island wedding. As the only passengers on a single-engine Cessna plane making its way over the azure waters of the Indian Ocean, a spark soon rekindles — but when their pilot suddenly suffers a heart attack,...