Shawn Colvin

Guest stars in season 11

Mel Gibson • Jack Burns • Mark McGwire • Ed Asner • Lucy Lawless • Dick Clark • Tom Arnold • Frank Welker • The B-52s (Fred Schneider • Kate Pierson • Cindy Wilson • Keith Strickland) • Penn Jillette • Teller • Pat O'Brien • Nancy O'Dell • Ron Howard • Garry Marshall • Butch Patrick • Jan Hooks • John Goodman • Henry Winkler • Jay North • NRBQ (Terry Adams • Joey Spampinato • Tom Ardolino • Johnny Spampinato) • Gary Coleman • Clarence Clemons • Tim Robbins • Elwood Edwards • Don Cheadle • Britney Spears • Bachman–Turner Overdrive (Randy Bachman • Fred Turner) • Trevor Denman • Shawn Colvin • Betty White • Diedrich Bader • Kid Rock • Joe C. • Charlie Rose • Robert Evans • Parker Posey • Jim Forbes • Willie Nelson • Tom Kite • Butch Patrick • Stephen Hawking

Guest stars in season 12

The Who (Roger Daltrey • Paul Townshend • John Entwistle) • Frank Welker • Gary Coleman • Drew Barrymore • John Updike • Amy Tan • Stephen King • Jay Mohr • Joshua Jackson • Leeza Gibbons • Patrick McGoohan • Robby Krieger* • Edward Norton • Michael Keaton • Bruce Vilanch • Charles Napier • Robert Schimmel • Tom Savini • Neil Armstrong* • Venus Williams • Serena Williams • Andre Agassi • Pete Sampras • Kelsey Grammer • 'N Sync (Lance Bass • JC Chasez • Joey Fatone • Chris Kirkpatrick • Justin Timberlake) • Stacy Keach • Kathy Griffin • Frankie Muniz • Shawn Colvin

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