Credit: CBS

The most charming late-night interview of the week happened Tuesday on Stephen Colbert’s Late Show, as James Marsden joked about being mistaken for Chris Pine and unveiled his expert impression of Matthew McConaughey.

The Westworld star explained how he used to do impressions as a high-school student, including memorizing the stand-up material of Eddie Murphy and Richard Pryor, and had recently added a flourish to his McConaughey take that pushed it to another level. (It seems even McConaughey’s True Detective costar Woody Harrelson approved.)

“What you got to do is throw in a little Texas whistle in there, with those s’s,” Marsden said, affecting McConaughey’s signature drawl. Swoon.

Watch below.