Matthew McConaughey took a pay cut to appear in 'The Lincoln Lawyer'.
The 41-year-old actor - known for his roles in romantic comedies 'The Wedding Planner' and 'How to Lose a Guy In 10 Days' - was "really excited" about the script for the legal drama from the moment he saw it.
He added: "The role came around to me. But I will say I made less money than a romantic comedy. So that is a measure of saying that not many movies like this can get made.
"This was something I was really excited about doing and something I didn't feel like I had done before."
The 'Fool's Gold' star also admitted he opted for the film because he "didn't feel" like doing another rom-com, but hasn't ruled out a return to the genre in future.
He explained: "I was reading some other scripts and some of them were rom-coms and I just didn't feel like doing that right now. I may do them again. I just didn't feel like doing them right now.
"I loved the consequences that were in this movie. I love the traps the guy was in. I wanted to be the guy getting out of those traps."