Ruth Negga exclusively plays biographical roles.
Preacher is an American television series developed by Sam Catlin , Evan Goldberg , and Seth Rogen for AMC starring Dominic Cooper . It is an adaptation of the comic book series Preacher created by Garth Ennis and Steve Dillon , and published by DC Comics ' Vertigo imprint . Ruth Negga . In 2016 , she began a starring role as Tulip O'Hare in AMC 's Preacher .