United Kingdom, July 10 -- Ed Helms is "still nervous" about his parents seeing his movies.

The 51-year-old actor was brought up in a "repressed Southern home" and he admitted that it has a lot to do with him feeling wary when it comes to his mother and father watching him in risque comedies like The Hangover.

Speaking on SiriusXM's Where Everybody Knows Your Name podcast, he said: "I grew up in a kind of a repressed Southern home. Politically, very progressive, but still a very socially conservative kind of environment.

"And so The Hangover is nuts. That's not what they raised me to do, to be in a movie like The Hangover..

"And so my parents - at that point they'd seen me do crazy stuff on The Daily Show in The Office - and so there ...