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

Herself - Host, Various, Herself - Audience

Donald Trump, Himself - Host, Tony Bennett, Himself, Various, Saddam Hussein, Al Pacino, Barney Frank, Captain Doug Hubert, Captain Steve Rogers...

Himself

Herself, Herself - Host, Various

Various, Bill Cowher, Carl, Ori

Himself

Brigitte Bardot, Herself - Co-Host, Various

Herself - Host, Jackie, Janice, Jode, Minny, Mrs. Williams, Octavia Spencer, Republican Movie Grandma, Steve's Co-Worker, Voice Actor

Himself - Musical Guest, Michael Bublé (segment "Star Wars Auditions")

Various, Buckwheat, Himself, Tyrone Green, Gumby, Raheem Abdul Muhammed, Mr. Robinson, Himself - Host, Raheem Abdul Muhammad, Solomon...

Hawkeye, Himself - Host, Various

Various, Himself, Leo Waxman, Atkinson Peabody III, Barry Crosscup, Big Brother, Bodyguard, Cooter, David A. Stockman, Dr. Calvin Zuko...

Himself - Host, Various

Themselves - Musical Guest

Various, Fear Factor Dad, Larry the Cable Guy, Rick Sanchez, Student

Various, Stefon, Al Pacino, Lyle Round, James Carville, Rick Perry, Clint Eastwood, Devin, Dwayne Vogelcheck, Herb Welch...

Various, Herself, Aunt Bee, Bizarro, Curator, Donna, Doreen, Elf, Esther, Fay Furillo...

Bogdan Klovok, Donald Trump, Himself - Host, Himself - NBC Security Guard, Jean George, Mr. Jenkins, Police Chief, Ray, Rob Gronkowski, Ryan Mack...

Himself - Host, Various

Himself - Musical Guest

Various, Ed Lover, Starkisha, Stuart Scott, Bobby Brown, Donovan McNabb, Ray Nagin, 50 Cent, Al Reynolds, Colin Powell...

Bodyguard, Himself, Himself - Co-Host

Greg Anderson, Himself - Host, Rod Serling

Themselves - Musical Guest

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