The Martian (2015) Cast & Character Guide — No Spoilers | Who's That?

Who plays who in The Martian (2015)? Browse a spoiler-free character guide with photos of every major character and the actors behind them, including Matt Damon, Jessica Chastain, Kristen Wiig.

• Mark Watney — played by Matt Damon
• Melissa Lewis — played by Jessica Chastain
• Annie Montrose — played by Kristen Wiig
• Theodore "Teddy" Sanders — played by Jeff Daniels
• Rick Martinez — played by Michael Peña
• Mitch Henderson — played by Sean Bean
• Beth Johanssen — played by Kate Mara
• Chris Beck — played by Sebastian Stan
• Alex Vogel — played by Aksel Hennie
• Vincent Kapoor — played by Chiwetel Ejiofor
• Bruce Ng — played by Benedict Wong
• Mindy Park — played by Mackenzie Davis
• Rich Purnell — played by Donald Glover
• Tim Grimes — played by Nick Mohammed
• Zhu Tao — played by Chen Shu
• Guo Ming — played by Eddy Ko Hung
• Mike Watkins — played by Enzo Cilenti
• Brendan Hatch — played by Jonathan Aris
• Jack — played by Gruffudd Glyn
• U.S. President — played by Geoffrey Thomas