Murder On The Orient Express showcases the dialect work of Marina Tyndall and Helen Ashton.

Kenneth Branagh stars in Twentieth Century Fox’s “Murder on the Orient Express.”

Judi Dench, left, and Olivia Colman star in Twentieth Century Fox’s “Murder on the Orient Express.”

L-r, Manuel Garcia Rulfo, Daisy Ridley and Leslie Odom Jr. star in Twetieth Century Fox’s “Murder on the Orient Express.”