The Earth Day Special 1990

Rhea Perlman Paula Danny DeVito Vic Dan Aykroyd Vic's Buddy Chevy Chase Vic's Buddy Rick Moranis Vic's Buddy Jack Lemmon Coach Stewart Kevin Costner Bartender James Brolin Doctor Dana Delany Doctor Edward James Olmos Hospital Director Dustin Hoffman Every Lawyer Robin Williams Everyman Meryl Streep Concerned Citizen Dennis Miller Weekend Update Anchor Candice Bergen Murphy Brown Harold Ramis Elon Spengler Christopher Lloyd Dr. Emmett L. Brown Neil Patrick Harris Doogie Howser M.D. Rodney Dangerfield Dr. Vinny Boombatz Ted Danson Sam Malone Kirstie Alley Rebecca Howe Woody Harrelson Woody Boyd George Wendt Norm Peterson John Ratzenberger Cliff Clavin Kelsey Grammer Dr. Frasier Crane Bill Cosby Dr. Cliff Huxtable Phylicia Rashād Clair Huxtable Lisa Bonet Denise Huxtable Malcolm-Jamal Warner Theo Huxtable Tempestt Bledsoe Vanessa Huxtable Keshia Knight Pulliam Rudy Huxtable Raven-Symoné Olivia Kendall Will Smith Fresh Prince Bea Arthur Dorothy Zbornak Betty White Rose Nylund Rue McClanahan Blanche Devereaux Estelle Getty Sophia Petrillo Ed O'Neill Al Bundy Katey Sagal Peggy Bundy Christina Applegate Kelly Bundy David Faustino Bud Bundy Amanda Bearse Marcy D'Arcy Downtown Julie Brown Self Christopher Reid Kid [Kid 'N Play] Christopher Martin Play [Kid 'N Play] Jeff Bergman Bugs Bunny / Porky Pig / Tweety (voice) Jim Henson Kermit the Frog (voice) Jerry Nelson Robin the Frog (voice) Dave Goelz Old Frog (voice) Richard Hunt Crocodile (voice) David Rudman Lizard (voice) Kevin Clash Additional Muppets (voice) Steve Whitmire Additional Muppets (voice) Rick Ducommun Guard Mayim Bialik Self Michael Douglas Self Heavy D Self Ice-T Self Magic Johnson Self Quincy Jones Self Melanie Mayron Self Queen Latifah Self Pat Riley Self Carl Sagan Self Barbra Streisand Self Tone Loc Self Alex Trebek Self Jonathan Brandis Self Dan Gauthier Self Edan Gross Self Dom Irrera Self Jim Lange Self Robert Wuhl Self Rickey Boyd Self (uncredited) Danny 'Budman' Delany Self (uncredited) Michael Gio Ferrigno Self (uncredited) Peter Horton Self (uncredited) Bruce Weitz Self (uncredited) Don Pardo Weekend Update Announcer (voice) (uncredited)

Suzanne LaCock Producer Paul Junger Witt Executive Producer Kathleen Helppie-Shipley Producer Ted Haimes Producer Armyan Bernstein Executive Producer Richard Baskin Executive Producer John Rook Director of Photography Armyan Bernstein Writer Richard Baskin Writer Neal Marshall Writer Rocco Urbisci Writer Marc Abraham Writer Vince Calandra Writer Barry Douglas Writer Barra Grant Writer Jerry Leichtling Writer Arlene Sarner Writer PJ Torokvei Writer Jamie Wooten Writer Jerry Juhl Writer Dwight Hemion Director