Matt Walsh on Improvising for Film and TV

Classic movies lines from “Here’s looking at you, kid” to “You’re gonna need a bigger boat” were never in the script – they were actually ad-libbed on the spot. So how do actors improvise under the glare of lights and cameras? Matt Walsh, the co-star of HBO’s “Veep” and one of the founding members of the Upright Citizens Brigade, tells Kurt how he makes up dialogue that’s not only memorable, but makes it through to the final cut.