Christopher Guest

Director, screenwriter, musician and actor Christopher Guest. Guest makes his feature directorial debut in the new film "The Big Picture." Guest co-wrote the rock parody "This Is Spinal Tap," and he was a writer and regular performer on Saturday Night Live.

Christopher Guest's new HBO comedy series follows a down-on-his-luck guy looking into his family genealogy. Guest, who pioneered the mockumentary style in cult classics like This Is Spinal Tap, co-created the show with Jim Piddock and star Chris O'Dowd.