Matt Damon as Mark Watney

Jessica Chastain as Melissa Lewis

Kristen Wiig as Annie Montrose

Jeff Daniels as Theodore "Teddy" Sanders

Michael Peña as Rick Martinez

Sean Bean as Mitch Henderson

Kate Mara as Beth Johanssen

Sebastian Stan as Chris Beck

Aksel Hennie as Alex Vogel

Chiwetel Ejiofor as Vincent Kapoor

Benedict Wong as Bruce Ng

Mackenzie Davis as Mindy Park

Donald Glover as Rich Purnell

Nick Mohammed as Tim Grimes

Chen Shu as Zhu Tao

Eddy Ko Hung as Guo Ming

Enzo Cilenti as Mike Watkins

Jonathan Aris as Brendan Hatch

Gruffudd Glyn as Jack

Geoffrey Thomas as U.S. President

Yang Haiwen as Chinese Flight Director

Narantsogt Tsogtsaikhan as Wen Jiang

Brian Caspe as Timer Controller

Szonja Oroszlán as Launch Control

Mark O'Neal as Guidance

Karen Gagnon as Reporter 2

Lili Bordán as Blair

Nikolett Barabas as Reporter 1

Dilyana Bouklieva as Police Woman

Björn Freiberg as Nasa Staff Member

James Fred Harkins Jr. as Pathfinder Developer

Sam Spruell as NASA Psychologist

Matt Devere as Satcon

Mike Kelly as Launcher Interface

Greg De Cuir as Capcom

Peter Linka as Telemetry

Declan Hannigan as Comms

Peter Schueller as NASA Break Room Worker

Waleska Latorre as Vincent's Secretary

Frederik Pleitgen as CNN Reporter

Charlie Gardner as Robert Lewis

Nóra Lili Hörich as Vogel's Wife

Kamilla Fátyol as Marissa Martinez

Yang Liu as Chinese Translator

Richard Rifkin as JPL Store Man

Nicholas Wittman as JPL White Room Worker

Ben O'Brien as JPL Pathfinder Team

Scott Alexander Young as JPL Pathfinder Team

Jason Ryan as JPL Pathfinder Team

James Dougherty as JPL Pathfinder Team

Xue Xuxing as Ming's Secretary

Balázs Medveczky as JPL White Room Worker

Dora Endre as Receptionist

Naomi Scott as Ryoko