"Go ahead, Kat, hate me. I think you're running out of steam on this whole Jeffrey thing anyhow. Maybe now you'll be able to hold on to this long enough to ruin your next relationship."

"Larry Wilmore - Minister"

"[to Nick] You're like the Yoda of escorts. Getting you on the phone was harder than getting into college."

"Carla Gallo - Zooey's friend"

"Oh, I should warn you. You know those families where everyone's out of their minds, but at the end of the day they're you family, so you love them? Mine's not like that. I love my dad, but since he's my stepdad, he's technically not family. He's more like a hostage."

"Joe Lo Truglio - Lonnie"

"Jay Chandrasekhar - Barry's friend"

"A wedding is a sacrament... a joyous celebration of love and commitment. In Utopia. In the real world... it's an excuse to drink excessively and say things you shouldn't say."

"David Krumholtz - Sydney's friend"

"Aziz Ansari - Eugene"

"Nick Kroll - Larry"

"Lou Ferrigno - Himself"

"Mather Zickel - Gil"

"Totally... Totes McGotes."

"Murray Gershenz - Mel"

"[to Kat] Let me teach you a trick: if you look people in the eye, they won't notice what you're wearing."

"Holland Taylor - Bunny"

"Murray Gershenz - Mel Stein"

"Jane Curtin - Joyce Klaven"

"J.K. Simmons - Oswald Klaven"

"Jon Favreau - Barry McLean"

"Andy Samberg - Robbie Klaven"

"Rashida Jones - Zooey Rice"

"Sarah Burns - Hailey"

"Josh Cooke - Alan"

"Jaime Pressly - Denise McLean"

"Jason Segel - Sydney Fife"

"Rob Huebel - Tevin Downey"

"Jolyon James - Woody"

"He needed a best man...he got the worst."

"Paul Rudd - Peter Klaven"

"Thomas Lennon - Doug Evans"

"Trying is having the intention to fail. You've got to scrap that word from your vocab. Say you're gonna do it and you will."

"Zooey, you are about to marry one of the most honest, kind and fun-loving people I've ever had the honor of knowing. The Pistol is a pleasure giver that's for sure. So beautiful Zooey, give it back. Yeah? [winks] Return the favor. And if you do, I guarantee that you will have a beautiful and pleasure filled union."

"Slapping the bass! Slappa da bass! Slappa da bass mon! Slappa de bass mon!"

"Doug: Hi Peter, I saw your billboards, they're spectacular. I'm sorry for calling you a whore. Best of luck with Sydney, if you're not still together... you can Facebook me."

"Are You Man Enough To Say It?"

"Kevin Sussman as Tiny shorts guy"

"Richmond Arquette as Gary"

"Emily Nelson as Hilary"

"Busy Philipps as Melissa"

"Whitney Cummings as Stephanie"

"Kadeem Hardison as Felix"

"Chris Messina as Dennis"

"Kevin McKidd as Colin"

"Kathleen Quinlan as Joan"

"Michelle Monaghan as Hannah"

"Elisabeth Hasselbeck as herself"

"Patrick Dempsey as Tom"