Bill Hader: Various, Stefon, Al Pacino, Lyle Round, Clint Eastwood, James Carville, Rick Perry, Alan Alda, Devin, Dwayne Vogelcheck, Herb Welch, Vincent Price, John Boehner, Lindsey Buckingham, Nitro, Self, Shepard Smith, Vinny Vedecci, Dave Matthews, Eddie Vedder, Ernie Johnson Jr., John Mark Karr, John Mayer, Mike Underballs, Peter O'Toole, Prince Philip, Self - Host, The Situation, Tony Dinato, Vince Blight, Abraham Lincoln, Adam Levine, Alvin, Andy Azula, Animal, Announcer, Anthony Peter Coleman, Arnold Schwarzenegger, Ben Mankiewicz, Bob Ley, Brady Trunk, Brendon, Caesar Flickeman, Captain Hook, Captain von Trapp, Charles Daniels, Charlie Sheen, Cher, Chris Hansen, Christopher Dodd, Colonel Nasty, Conan O'Brien, Cowardly Lion, Crazy Carl, Cris Collinsworth, DJ Frontal Assault, Daniel Plainview, Daniel Radcliffe, Darrell Issa, Daryl Dixon, Derek Gash, Don Herbert, Dr. Jekyll, Dr. Mehmet Oz, Eliot Spitzer, Evan Grossman, Executive, Frankenstein, Franklin Roosevelt, Garrison Keillor, Greg, Hades, Harvey Fierstein, Jack Cafferty, Jake Sully, Jerry, Jim Jordan, John Barrymore, John Ensign, John Phillips, Julian Assange, Keith Morrison, Lenny Leoni, Leonard, Mahmoud Ahmadinejad, Mark, Mark Cuban, Member, Michael Richards, Mike 'The Situation' Sorrentino, Mr. Triggs, Nick Faldo, Noh Hong-cheol, O.J. Sampson, Pat Toomey, Patrick Vance, Peter Gallagher, Phil Spector, Rajinikanth, Regatron 3000...