Ahn Seo-hyun

Mija

Tilda Swinton

Lucy Mirando / Nancy Mirando

Paul Dano

Jay

Jake Gyllenhaal

Dr. Johnny Wilcox

Lily Collins

Red

Steven Yeun

K

Giancarlo Esposito

Frank Dawson

Devon Bostick

Silver

Byun Hee-bong

Ju Hee-bong

Yoon Je-moon

Mundo Park

Shirley Henderson

Jennifer

Daniel Henshall

Blond

Choi Woo-shik

Kim

Colm Hill

Sarcastic British Reporter

Kathryn Kirkpatrick

Epicurean Reporter

Nancy Amelia Bell

Elderly Reporter

Lee Jung-eun

Okja (voice) / Woman In Wheelchair

Choi Hee-seo

Choi Female Interpreter

Lee Bong-ryeon

Receptionist

Yoon Kyung-ho

Mirando Employee

Cho Wan-ki

Mirando Employee

Kyul Hwi

Mirando Employee

Kwak Jin-seok

Mirando Employee

Park Keun-rok

Riverside Expressway Police

Milo Shandel

Mirando Executive

Kim Woo-hyeon

Reporter Kim

Ahn Seong-bong

Alfonso Transport

Cory Gruter-Andrew

Teenage Taster

Barbara Wallace

Middle-Aged Woman Taster

Boyd Ferguson

Translator

Niall Cunningham

ALF High School Student

Waris Ahluwalia

Waris

Luis Javier

Slaughterhouse Worker

Phillip Garcia

Diego Alejandro

Andreas Fronk

Black Chalk Mercenary

Myles Humphus

Black Chalk Mercenary (uncredited)

Lena Avgust

Parade Goer (uncredited)

Jamar Greene

Commanding Officer (uncredited)

Eha Urbsalu

Lucy Mirando Double (uncredited)

Rebecca Husain

Jennifer's Assistant (uncredited)

Lynn Marocola

NYPD Police Officer (uncredited)