The deal comes three weeks after the film’s world premiere at the Toronto Film Festival.
Blue Ice Pictures’ Daniel Iron produced. Exec producers are Kirk D’Amico, Christine Vachon, Emily Alden, Lance Samuels, Steven Silver and Neil Tabatznik.
Myriad Pictures is handling worldwide sales on the film.
Clarkson portrays a doctor who takes in a mysterious man (Speedman) when he washes ashore at her remote cottage with a gunshot wound — and soon discovers that his would-be killer (Roth) is on his way towards them.
The deal was negotiated with Jay Cohen at Gersh and Myriad’s Kirk D’Amico on behalf of the filmmakers.