Oscar Nunez, Co-star of "The Office"

Bill Lawrence, Creator of "Scrubs"

Bret Harrison, Co-star of "Reaper"

Rufus Sewell, Co-star of "Eleventh Hour"

Ben Garant and Thomas Lennon, Co-stars of "Reno 911!"

Jack McBrayer, Co-star of "30 Rock" and "Forgetting Sarah Marshall"

Mitch Pileggi, Co-star of "X-Files" and "Stargate: Atlantis"

Cybill Shepherd, Co-star of "Cybill"

Andrew Zimmern, Host of "Bizarre Foods with Andrew Zimmern"

Barry Bostwick, Co-star of "Depth Charge"

Tom Smothers, Co-host of "The Smothers Brothers Comedy Hour"

Johnny Galecki & Jim Parsons, Co-stars of "The Big Bang Theory"

Alfonso Ribeiro, Host of "Catch 21"

David Carradine, Star of "Kung Fu Killer"

Justin Kirk, Co-star of "Weeds"

Jamie Kaler, Co-star of "My Boys"

Elisabeth Moss, Co-star of "Mad Men"

Enrico Colantoni, star of "Flashpoint"

Anthony Michael Hall, star of "The Dead Zone"

David Morse, star of "John Adams"

Penn Jillette, magician, performer, contestant on "Dancing with the Stars"

Tim Heidecker & Eric Wareheim, "Tim and Eric Awesome Show Great Job!"

Sean Patrick Flanery, star of "Young Indiana Jones"

Jalen Rose, former "Fab Five" basketball player

Flavor Flav, star of "Under One Roof"

Kelly Brannigan, model from "Deal or No Deal"

George Takei, contestant on "Secret Talents of the Stars"

Tyler Labine, co-star of "Reaper"

Dexter Fletcher, actor from "Hotel Babylon"

Dick Durock, actor from "Swamp Thing"

Zachary Levi, star of "Chuck" & producer of "Spiral"

Shanna Moakler, former Miss USA, judge on "Crowned: The Mother of All Pageants"

Ray Wise, actor from "Reaper"

Melora Hardin, actress & co-star of "The Office"

Robert Vaughn, actor from "The Man from U.N.C.L.E."

Zach Braff, actor & co-star of "Scrubs"

Alicia Witt, actress from "Law & Order: Criminal Intent"

Wil Wheaton, actor & co-star of "Star Trek: The Next Generation"

Drew Carey, actor, comedian, host of "The Price is Right", "The Power of 10"

Steven Wright, actor, standup comedian, singer/songwriter

Eric Bogosian, actor & co-star of "Law & Order: Criminal Intent"

Skeet Ulrich, actor from "Jericho"

Michael Ian Black, standup comedian from "I am a Wonderful Man"

Alf Clausen, music composer of "The Simpsons"

Jeff Garlin, star of "Curb Your Enthusiasm"

Brent Butt, star of "Corner Gas"

Billy Dee Williams, star of "General Hospital: Night Shift"

Frank Vincent, Phil on "the Sopranos"

Marty Krofft, creator of " H.R. Pufnstuf", "Land of the Lost"

Jerry Springer, star of "The Jerry Springer Show"

Seth Macfarlane, creator of "The Family Guy"

Ethan Suplee and Jaime Pressly, stars of "My Name Is Earl"

Tim Meadows, "SNL" castmember

Tiffany Fallon, co-host of "IFL Battleground"

Joe Rogan, commentator on "Ultimate Fighting Championship"

Jeff Goldblum, star of "Raines"

Andy Richter, star of "Andrew Barker, P. I."

Andrew Dice Clay, star of "Dice: Undisputed"

Jeff Foxworthy, host of "Are You Smarter Than a 5th Grader?"

Seth Macfarlane, creator of "Family Guy" & "The Winner"

Kevin Sorbo, former star of "Hercules"

Randy Jackson, "American Idol" judge

Peter Krause, co-star of "Six Feet Under" and "Sports Night"

Laraine Newman, original "SNL" cast member

Chris Matthews, host of "Hardball"

Jaleel White, former star of "Family Matters"

David Boreanaz, co-star of "Bones"

Tina Fey and Jane Krakowski, co-stars of "30 Rock"

Lisa Edelstein, actress and co-star of Fox's "House"

Mike Nelson, host of "Mystery Science Theater 3000"

Carlos Alazraqui, voice actor and co-star of "Reno 911"

John Sloan, co-star of Fox's "Happy Hour"

Henry Rollins, former Black Flag and Rollins Band frontman, creator of "The Henry Rollins Show"

Jonathan Katz, star of Comedy Central's "Dr. Katz"

Brendon Small, creator of "Home Movies"