"The Martian" star Matt (5)
I believe the answer is:
damon
(Other definitions for damon that I've seen before include "Matt --, US actor" , "faithful friend" , "Pythias's friend" , "Writer Runyon's first name" .)
I've seen this clue in the LA Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.