Martin McDonagh Director Frances McDormand Mildred Actor Caleb Landry Jones Red Welby Actor Kerry Condon Pamela Actor Sam Rockwell Dixon Actor Clarke Peters Abercrombie Actor Woody Harrelson Willoughby Actor Abbie Cornish Anne Actor Lucas Hedges Robbie Actor Željko Ivanek Desk Sergeant Actor Peter Dinklage James Actor John Hawkes Charlie Actor Kathryn Newton Angela Actor Samara Weaving Penelope Actor Brendan Sexton III Crop-Haired Guy Actor Alejandro Barrios Latino Actor Darrell Britt-Gibson Jerome Actor Riya May Atwood Polly Actor Selah Atwood Jane Actor Amanda Warren Denise Actor Malaya Rivera Drew Gabriella Actor Sandy Martin Momma Dixon Actor Christopher Berry Tony Actor Gregory Nassif St. John Gregory Nassif St. John Actor Jerry Winsett Geoffrey Actor Jason Ledford Latino #2 Actor Allyssa Barley Girl Actor William J. Harrison Boy Actor Eleanor T. Threatt Nurse Actor Michael Aaron Milligan Pal Actor Graham Broadbent Producer Peter Czernin Producer Bergen Swanson Executive Producer Diarmuid McKeown Executive Producer Rose Garnett Executive Producer David Kosse Executive Producer Daniel Battsek Executive Producer Ben Davis Cinematographer Jon Gregory Film Editing Carter Burwell Original Music Inbal Weinberg Production Design Jesse Rosenthal Art Director Merissa Lombardo Set Decoration Melissa Toth Costume Design Sarah Halley Finn Casting