Template:Season 21 Guest Stars

Guest stars in Season 21

Seth Rogen • Kevin Michael Richardson • Matt Groening • Jonah Hill • Smothers Brothers (Dick Smothers • Tom Smothers) • Peyton Manning • Eli Manning • Cooper Manning • Kim Cattrall • Huell Howser • Jordan Nagai • Neve Campbell • Mitch Albom • Anne Hathaway • Eartha Kitt • Jackie Mason • Chris Martin • Sarah Silverman • Gary Larson • Bob Costas • Chuck Liddell • Angela Bassett • Sacha Baron Cohen • Wren T. Brown • Kim Cattrall • Eddie Izzard • Yael Naim • Kelsey Grammer • Ryan Seacrest • Randy Jackson • Ellen DeGeneres • Kara DioGuardi • Simon Cowell