Was there a lot of improvisation in the film?
Yes. A lot. The one improv that will haunt me for the rest of my life, is the — I don’t know how you can put this poetically — is [the scene where I] make the baby [unknowingly mimic a sexual act]. So that was improvised not with a real baby obviously, but a doll. Often, when you work with babies, they have a life-sized doll. So I just did it. I was like, “Todd [Phillips], look at this.” And Todd, the director, was like, “Oh, we have to put that in the movie.” And I was like, “No.” And then he’s like, “C’mon let’s ask the mom if we can do it to a real baby.” The next thing you know, there’s this conversation and then she agrees, but my fear is that 20 years from now, I’m going to be walking in an airport, and some guy is going to tap me on the shoulder and go, “Are you the dude from The Hangover?” “Uh-huh.” “Well, I’m that f—ing baby.” With Ed Helms and Bradley Cooper as your costars, I imagine it was often hard to get through a scene without laughing. Bradley Cooper is a bit disciplin
