Cast of The Martian

Matt Damon plays Mark Watney, an astronaut who is stranded on Mars and must find a way to survive.

Jessica Chastain portrays Melissa Lewis, the commander of the Ares 3 mission who leads the efforts to rescue Watney.

Kristen Wiig plays Annie Montrose, a NASA public relations officer who helps manage the media during the crisis.

Jeff Daniels takes on the role of Teddy Sanders, the director of NASA who oversees the mission's response to Watney's situation.

Michael Peña portrays Rick Martinez, a member of the Ares 3 crew who is deeply concerned about Watney's well-being.

Kate Mara plays Beth Johanssen, the crew's computer specialist who works diligently to help rescue Watney.

Sean Bean portrays Mitch Henderson, the Ares 3 mission flight director who coordinates the rescue efforts.

Sebastian Stan plays Chris Beck, a medical officer on the Ares 3 crew, who is determined to help their stranded teammate.

Aksel Hennie portrays Alex Vogel, a German astronaut on the Ares 3 mission who supports the rescue operations.

Chiwetel Ejiofor plays Vincent Kapoor, a NASA scientist who works on the plan to save Watney.

Donald Glover portrays Rich Purnell, a brilliant young scientist who develops a risky plan to bring Watney home.

Benedict Wong plays Bruce Ng, a NASA flight operations manager who helps during the rescue mission.