Various, Jim Lehrer, Tom Brokaw, Himself, Simon Cowell, Wolf Blitzer, Announcer, Bert Convy, Bob Barr, George W. Bush...

Himself, Himself - Host

Various, Meryl Streep, Rachel Maddow, Zooey Deschanel, Anna Faris, Christina Aguilera, Khloe Kardashian, Khloé Kardashian, Marilyn Monroe, Nancy Grace...

Himself - Musical Guest, Ozzy Osborne

Himself - Host, Various, Koko WatchOut, The Rock Obama, Bambi, Bigfoot, Dennis Rodman, Dr. Bones, Himself - Guest Host, King Keef...

Brynlee Dobbs, Chloe, Herself - Host and Musical Guest, Herself - Musical Guest, She-Ra, Sister Maria, Various

Himself - Host, Various

Herself, Host, Lisa, Marcia, Neighbor, Owner, Patron, Sharon Stone, Traveler

Bodyguard, Himself, Himself - Co-Host

Himself - Host, Various

Himself - Host, Roy Neary, Various

Himself - Host, Various

Himself - Host, Billy, Jim Gordon, Mr. Pink, Various

Herself - Host

Various, Saturday Night News Anchor, 'King Carl' Johnson, Alan Barrows, Anthony Haden-Callas, Bert Convy, Bull, Crackle, Frank Lubar, Mr. Quigley...

Himself - Host, Himself, Jimmy Stewart, Jimmy Tango, Joe Pilson, Lily, Lochmiel, Matthew McConaughey, Paul, Roxbury Guy...

Herself - Host, Various, Becky, Ellen Pompeo, Elvira Hancock, Heidi Klum, Jennifer Kringle, Megan Carter Cosgrove, Tenderfield Mom

Various, Gobi, Elton John, Carol, Frankie Hilbert, Jasper Hahn, Aaron Neville, Gene Shalit, Bill Richardson, Frank...

Various, Himself, Walter Mondale, Andy Caruthers, Barney Fife, Bruce Springsteen, Critic, Customer, Donny Osmond, Dwight MacNamara...

Himself

Various, A.K. Foster Presenter, Army Soldier, Book Buyer, Bree, Broderick & Ganz Client, Bubble Woman, Carla, Chocolate Gift Recipient, Claire's Friend...

Herself, Herself - Host, Various

Himself - Host, Himself, Various

Herself - Musical Guest

Various, Pat Stevens, Babette, Herself, Ann Landers, Ashley Ashley, Joan Baez, Leona Helmsley, Linda Dano, Al-Anon Spokesperson...

Various, George W. Bush, MacGruber, The Falconer, Greg Stink, Tim Calhoun, Himself, John Edwards, Zell Miller, Hamilton...

Various, Mary Katherine Gallagher, Courtney Love, Herself, Ann Miller, Terry Rialto, Circe Nightshade, Customer, Helen Madden, Sally O'Malley...

Herself - Host

Himself, Adam 'Hawk Attack' Levine, Freddie Mercury, Himself - Host, Himself - Musical Guest, Various, Yaniv Schulman, Yanni

Herself - Host, Herself, Juliette, Various, Chrissy Knox, Cleaning Crew Singer, Emma Stone, Emma Stone (segment "Star Wars Auditions"), Gwen Stacy, Lindsay Lohan...

Weekend Update Anchor, Various, Herself - Host, Audience Member, Gov. Sarah Palin, Herself, Sarah Palin, Tina Fey, Angie Francis, Ariel...