‘Mercy,’ the horror flick based on one of Stephen King‘s short stories, added two cast members on Friday. Chandler Riggs, best known for his role in AMC’s ‘The Walking Dead,’ and Joel Courtney will join Frances O’Connor for the Universal Pictures project. Jason Blum will produce via his Blumhouse Productions banner, with McG, of ‘Charlie’s Angels,’ ‘Terminator Salvation,’ and ‘This Means War‘ fame also producing. Matt Greenberg will pen the script.
Riggs
