Comedy people are always present because they're always looking for the funniest version of whatever the line is. Sometimes theater people, where scripts are sacrosanct, aren't quite as present in scenes. That's a massive generalization, but in my experience, I find that comedy people are great to improvise with and to do scenes with because they're there.
Chris O'DowdWhen I was about 13 I realised girls weren't going to kiss me because I was a gigantic, weird looking creature from the depths. I was like 6 ft. aged 11.
Chris O'Dowd