Charlie Hunnam

Character: Stanley Kaminski

Jack O'Connell

Character: Walter 'Lion' Kaminski

Jessica Barden

Character: Sky

Fran Kranz

Character: Buck

Jonathan Majors

Character: Pepper

John Cullum

Character: Yates

Owen Burke

Character: Meadows

Meredith Holzman

Character: Darlene

Nick Mullen

Character: Clay Carlson

Jere Shea

Character: Stepfather McGinty

Patrick M. Walsh

Character: Lefty Denunzio

Lucien Spelman

Character: Roman

Naheem Garcia

Character: Clem

Katie Duncan

Character: Front Desk Clerk

Johnno Wilson

Character: Reggie

Robert Otis

Character: Cue Ball

Margaret Devine

Character: Mother McGinty

Frank Ridley

Character: Burly Father

Wendy Overly

Character: Waitress

Michael Tow

Character: Kind Father

Moira Driscoll

Character: Bus Driver

Bill Thorpe

Character: Zeus

Scott Fielding

Character: Milos

Ed LaVache

Character: Referee

James Peralla

Character: Domo

Thomas J Berry

Character: Train Patron (uncredited)

Christopher Cagle

Character: Pepper's Crew (uncredited)

Christina Calvao

Character: Amtrak Employee (uncredited)

Ken Cheeseman

Character: Old Senior (uncredited)

Ellen Collins

Character: Diner Waitress (uncredited)

Jamie Ghazarian

Character: College Girl (uncredited)

Jed Griswold

Character: Boxing Patron (uncredited)

Tony Ionno

Character: Bar Patron (uncredited)

Manny Jagroop

Character: Pepper's Head Thug (uncredited)

Dawayne Jordan

Character: San Francisco Chinatown Cop (uncredited)

Joseph Oliveira

Character: Joey (uncredited)

Mel Powell

Character: San Francisco Police Detective (uncredited)

Juliana Redden

Character: Bar Patron (uncredited)

Billy Silvia

Character: San Francisco Detective (uncredited)

David Torres Jr.

Character: Lefty's Buddy (uncredited)

Bobby Garrafa

Character: College Kid (uncredited)

Christina Marie Pereira

Character: (uncredited)