Mark Klotz as Hugh Laurie

Bernard Cote as Robin Williams

Katie DeVries as Leann Rimes

Trent Shumay as Jack Black

Phillip Gibbons-Smyth as Paul McCartney

Wade Johnston as Ned Flanders

Carla Jackson as Alyson Hannigan

Bill Pantazis as George Michael

Raman Bath as Halle Berry

Stephen Rappard as Tom Selleck

Joy-Marie Mitchell as Paris Hilton

David Bercovici-Artieda as Bono

Kris Britton as Jennifer Aniston

Steve Burnfield as Dr. Andrew Weil

Deana Maros as Maggie Gyllenhaal

Geoff Lillos as Drew Carey

Larry Hurst as Random Celebrity Guy

Lisa Hofer as Drew Barrymore

Bill Tsuchiya as David Suzuki

Dan Carey as Orlando Bloom