In the next episode of AMC's Preacher fans of the comic will go wild as one of the most beloved and popular characters of the graphic novel will appear, and it appears that his origin might be incorporated in a bit.
Take a look at the 'enigmatic cowboy', from Bleeding Cool.
The character is played by Graham McTavish known for Outlander. While he's named as the Cowboy, the fans know his real name. The Saint Of Killers.