The Gladiator actor stars opposite Christian Bale in the Elmore Leonard western 3:10 To Yuma, directed by James Mangold.
The movie is a remake of a 1957 film starring Glenn Ford and Van Heflin, telling the tale of a sheriff's struggle to bring an outlaw to justice.
Crowe told Yahoo: "There was absolutely nothing about this job that was hard work to me. It got bit tough every now and then when the weather got to -15C when I was in period clothes.
"But I read the script, liked it and went to work with a smile on my face."