paul rudd. hey, paul. good to see you again. thanks for stopping by. [cheering and applause] nice to see you. >> stephen: nice to see you. >> nice to see you, too. >> stephen: thank you for wearing tweed in june. >> seemed like the wrong choice. >> stephen: it is ballsy in that i guess you're sweating your balls off right now. you are correct, sir. >> stephen: for the few people in the western hemisphere who may not know it, you're an award-winning actor/"price is righter"/producer, best known for "40-year-old virin" and "clueless." you have a new movie called "they came together." it comes out tomorrow. that sounds like a dirty movie. is there any hardcore action in this? >> surprisingly no. but the title is meant to infer it i'd say. >> stephen: okay. why would you say there is hard core action in it. >> there's a ton of it. it is... >> jon: you go to bonetown? >> you go to bonetown. stay in bonetown for about 80 minutes. >> stephen: that's nice. that's kind of impressive. [laughter] i got a tw

. ♪ your ticket to a better night's sleep ♪ our ne >> letterman is next with paul rudd. >> have a goodht. ( band playing "late show" theme ) >> from the heart of broadway, broadcasting across the nation and around the world, it's the "late show" with david letterman. tonight... plus paul shaffer and the cbs orchestra. i'm alan kalter. and now, bringing paisley back, david letterman! ( cheers and applause ) captioning sponsored by worldwide pants and cbs ( band playing "late show" theme )

"anchorman" pals paul rudd and david koechner. >> you don't scare me, shark eyes. >> "saturday nightern family's" eric stonestreet. ♪ circle of life and "22 jump street's" rob riggle. >> oh! >> reporter: believe it or not, all this funny comes from the same place. kansas city. a few days ago the yucksters came back to their hometown on a gravely serious mission. to raise funds for sick kids. of course they did it with a smile. these are patients from children's mercy hospital in kansas city, and they're battling some of the most challenging forms of cancer and other illnesses. the five-year-old event started out as a poker tournament organized by riggle. they called it the big slick, which is a poker term, and they wanted to raise about $50,000. ♪ buy me some peanuts and cracker jack ♪ ever year since the event has gotten bigger with more famous friends. the stars' families have stepped up to help run it. here's cathy sudeikis, jason's mom. this year i was lucky enough to be included. it's a special event because even while the moments are zany, the seriousness of what's being faced

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tonight's guest is paul rudd. have a good night.ee you tomorrow. ♪ ( band playing "late show" theme ) >> from the heart of broadway, broadcasting across the nation and around the world, it's the "late show" with david letterman. tonight... plus paul shaffer and the cbs orchestra. i'm alan kalter. and now, bringing paisley back, david letterman! ( cheers and applause ) captioning sponsored by worldwide pants and cbs ( band playing "late show" theme )

reilley, zach galifianakis, paul rudd, or john header of "blades of glory"? >> wow.ly. >> oh, wow. >> not. >> if i know it it's not tough. >> i want to say it's b -- >> yeah. >> just say that. >> john c. reilley. >> no. >> no. >> he picked the one he could pronounce. >> the correct answer is zach galifianakis in "the campaign". >> the zach galifianakis "between two ferns" has become a hit. president obama has appeared on there. basically it's become a must stop destination for any sort of celebrity on the circuit. >> i love "the campaign" that was such a funny movie. >> it really didn't. >> back across to kathie lee. in 2009 will farrell turned which of his famous "saturday night live" impressioned in a broadway show. alex trebek, james lipton, robert gulet or george w. bush. >> letter a. >> no. >> cd. >> the correct -- >> hope you want a little gospel music. >> good day for klg. the correct answer is george w. bush. a show entitled "you're welcome america a final night with george w. bush" he did after obama won. >> his impersonation is genius. >> and he kept it goi