Matt Damon

Mark Watney

Jessica Chastain

Melissa Lewis

Kristen Wiig

Annie Montrose

Jeff Daniels

Teddy Sanders

Michael Peña

Rick Martinez

Sean Bean

Mitch Henderson

Kate Mara

Beth Johanssen

Sebastian Stan

Chris Beck

Aksel Hennie

Alex Vogel

Chiwetel Ejiofor

Vincent Kapoor

Benedict Wong

Bruce Ng

Mackenzie Davis

Mindy Park

Donald Glover

Rich Purnell

Nick Mohammed

Tim Grimes

Chen Shu

Zhu Tao

Eddy Ko Hung

Guo Ming

Enzo Cilenti

Mike Watkins

Jonathan Aris

Brendan Hatch

Gruffudd Glyn

Jack

Geoffrey Thomas

U.S. President

Yang Haiwen

Chinese Flight Director

Narantsogt Tsogtsaikhan

Wen Jiang

Brian Caspe

Timer Controller

Szonja Oroszlán

Launch Control

Mark O'Neal

Guidance

Karen Gagnon

Reporter 2

Lili Bordán

Blair

Nikolett Barabas

Reporter 1

Dilyana Bouklieva

Police Woman

Björn Freiberg

Nasa Staff Member

James Fred Harkins Jr.

Pathfinder Developer

Sam Spruell

NASA Psychologist

Matt Devere

Satcon

Mike Kelly

Launcher Interface

Greg De Cuir

Capcom

Peter Linka

Telemetry

Declan Hannigan

Comms

Peter Schueller

NASA Break Room Worker

Waleska Latorre

Vincent's Secretary

Frederik Pleitgen

CNN Reporter

Charlie Gardner

Robert Lewis

Nóra Lili Hörich

Vogel's Wife

Kamilla Fátyol

Marissa Martinez

Yang Liu

Chinese Translator

Richard Rifkin

JPL Store Man

Nicholas Wittman

JPL White Room Worker

Ben O'Brien

JPL Pathfinder Team

Scott Alexander Young

JPL Pathfinder Team

Jason Ryan

JPL Pathfinder Team

James Dougherty

JPL Pathfinder Team

Xue Xuxing

Ming's Secretary

Balázs Medveczky

JPL White Room Worker

Dora Endre

Receptionist

Naomi Scott

Ryoko (uncredited)