Brent Lang Executive Editor David Arquette, Ethan Peck, Katrina Bowden and Gianni Capaldi are saddling up to join the cast of “Unholy Trinity.” The Western adventure, which received an interim agreement to go into production during the actors strike from SAG-AFTRA, has begun filming at Yellowstone Ranch in Montana. It is directed by Richard Gray and stars the previously announced Pierce Brosnan and Samuel L. Jackson.
