Captivating Close-Up: Bill Hader

William "Bill" Hader (born June 7, 1978) is an American actor, comedian, writer, producer, and repertory player on Saturday Night Live. He is also known for his supporting roles in numerous comedy films, starring in at least three films a year since 2006.

He first appeared alongside Owen Wilson and Matt Dillon in You, Me and Dupree. Since then he's had a wide range of roles such as Katherine Heigl's editor at E! in Knocked Up, the acid-taking mechanic Dave in Hot Rod (alongside SNL castmate Andy Samberg), a recumbent biker in The Brothers Solomon (which also featured SNL castmate Will Forte in one of the film's co-leading roles) and, most famously, as Officer Slater in the Judd Apatow produced Superbad.

Source: Wikipedia