| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Chris Langham | Crew | Writing | Writer | 1 |
 Dave Wilson | Crew | Directing | Director | 1 |
 David Lazer | Crew | Production | Executive Producer | 120 |
Don Hinkley | Crew | Writing | Writer | 3 |
 Jack Burns | Crew | Production | Producer, Writer | 120 |
 Jerry Juhl | Crew | Writing | Writer | 5 |
Jerry Ross | Crew | Writing | Writer | 1 |
 Jim Henson | Crew | Production | Producer, Writer, Director, Creator | 120 |
Joseph A. Bailey | Crew | Writing | Writer | 1 |
Marc London | Crew | Writing | Writer | 1 |
 Peter Harris | Crew | Directing | Director | 24 |
Philip Casson | Crew | Directing | Director | 1 |
 Alan Arkin | Cast | Actor | Self - Special Guest Star | 1 |
 Alice Cooper | Cast | Actor | Self - Special Guest Star | 1 |
 Andy Williams | Cast | Actor | Self - Special Guest Star | 1 |
 Anne Murray | Cast | Actress | Self - Special Guest Star | 1 |
 Anthony Daniels | Cast | Actor | C-3P0 | 1 |
 Arlo Guthrie | Cast | Actor | Self - Special Guest Star | 1 |
 Avery Schreiber | Cast | Actor | Self - Special Guest Star | 1 |
 Ben Vereen | Cast | Actor | Self - Special Guest Star | 1 |
 Bernadette Peters | Cast | Actress | Self - Special Guest Star | 1 |
 Beverly Sills | Cast | Actress | Self - Special Guest Star | 1 |
 Bob Hope | Cast | Actor | Self - Special Guest Star | 1 |
Bob Payne | Cast | Additional Muppets (voice) | 24 | |
 Brian Muehl | Cast | Actor | Additional Muppets (voice) | 24 |
 Brooke Shields | Cast | Actress | Self - Special Guest Star | 1 |
 Bruce Forsyth | Cast | Actor | Self - Special Guest Star | 1 |
Buddy Rich | Cast | Actor | Self - Special Guest Star | 1 |
 Candice Bergen | Cast | Actress | Self - Special Guest Star | 1 |
 Carol Burnett | Cast | Actress | Self - Special Guest Star | 1 |
 Carol Channing | Cast | Actress | Self - Special Guest Star | 1 |
 Charles Aznavour | Cast | Actor | Self - Special Guest Star | 1 |
 Cheryl Ladd | Cast | Actress | Self - Special Guest Star | 1 |
Chris Langham | Cast | Actor | Self - Special Guest Star | 1 |
 Christopher Reeve | Cast | Actor | Self - Special Guest Star | 1 |
Cleo Laine | Cast | Actress | Self - Special Guest Star | 1 |
 Cloris Leachman | Cast | Actress | Self - Special Guest Star | 1 |
 Connie Stevens | Cast | Actress | Self - Special Guest Star | 1 |
 Crystal Gayle | Cast | Actress | Self - Special Guest Star | 1 |
 Dale Evans | Cast | Actress | Self - Special Guest Star | 1 |
 Danny Kaye | Cast | Actor | Self - Special Guest Star | 1 |
 Dave Goelz | Cast | Actor | Gonzo / Zoot / Beauregard / Dr. Bunsen Honeydew (voice) | 120 |
 Debbie Harry | Cast | Actress | Self - Special Guest Star | 1 |
 Diana Ross | Cast | Actress | Self - Special Guest Star | 1 |
 Dizzy Gillespie | Cast | Actor | Self - Special Guest Star | 1 |
 Dom DeLuise | Cast | Actor | Self - Special Guest Star | 1 |
 Don Knotts | Cast | Actor | Self - Special Guest Star | 1 |
 Doug Henning | Cast | Actor | Self - Special Guest Star | 1 |
 Dudley Moore | Cast | Actor | Self - Special Guest Star | 1 |
 Dyan Cannon | Cast | Actress | Self - Special Guest Star | 1 |
 Edgar Bergen | Cast | Actor | Self - Special Guest Star | 1 |
 Elke Sommer | Cast | Actress | Self - Special Guest Star | 1 |
 Elton John | Cast | Actor | Self - Special Guest Star | 1 |
 Eren Ozker | Cast | Actress | Hilda / Wanda / Janice (voice) | 120 |
 Ethel Merman | Cast | Actress | Self - Special Guest Star | 1 |
 Florence Henderson | Cast | Actress | Self - Special Guest Star | 1 |
 Frank Oz | Cast | Actor | Miss Piggy / Fozzie Bear / Animal / Sam Eagle / Marvin Suggs / George the Janitor (voice) | 120 |
 Gene Kelly | Cast | Actor | Self - Special Guest Star | 1 |
 George Burns | Cast | Actor | Self - Special Guest Star | 1 |
 Gilda Radner | Cast | Actress | Self - Special Guest Star | 1 |
 Gladys Knight | Cast | Actress | Self - Special Guest Star | 1 |
 Glenda Jackson | Cast | Actress | Self - Special Guest Star | 1 |
 Hal Linden | Cast | Actor | Self - Special Guest Star | 1 |
 Harry Belafonte | Cast | Actor | Self - Special Guest Star | 1 |
 Harvey Korman | Cast | Actor | Self - Special Guest Star | 1 |
 Helen Reddy | Cast | Actress | Self - Special Guest Star | 1 |
 James Coburn | Cast | Actor | Self - Special Guest Star | 1 |
 James Coco | Cast | Actor | Self - Special Guest | 1 |
 Jaye P. Morgan | Cast | Actress | Self - Special Guest Star | 1 |
 Jean Stapleton | Cast | Actress | Self - Special Guest Star | 1 |
 Jerry Nelson | Cast | Actor | Floyd Pepper, Dr. Julius Strangepork, Pops, Robin the Frog, Lew Zealand, Louis Kazagger, Chicken, Crazy Harry (voice) | 120 |
Jim Henson | Cast | Actor | Kermit the Frog, Waldorf, Rowlf the Dog, Link Hogthrob, The Swedish Chef, Dr. Teeth, The Newsman (voice) | 120 |
 Jim Nabors | Cast | Actor | Self - Special Guest Star | 1 |
 Joan Baez | Cast | Actress | Self - Special Guest Star | 1 |
 Joel Grey | Cast | Actor | Self - Special Guest Star | 1 |
 John Cleese | Cast | Actor | Self - Special Guest Star | 1 |
 John Denver | Cast | Actor | Self - Special Guest Star | 1 |
 John Lovelady | Cast | Actor | Ghost / Harry (voice) | 1 |
 Johnny Cash | Cast | Actor | Self - Special Guest Star | 1 |
 Jonathan Winters | Cast | Actor | Self - Special Guest Star | 1 |
 Judy Collins | Cast | Actress | Self - Special Guest Star | 1 |
 Julie Andrews | Cast | Actress | Self - Special Guest Star | 1 |
 Juliet Prowse | Cast | Actress | Self - Special Guest Star | 1 |
 Karen Prell | Cast | Actress | Additional Muppets (voice) | 24 |
 Kathryn Mullen | Cast | Actress | Additional Muppets (voice) | 48 |
 Kaye Ballard | Cast | Actress | Self - Special Guest Star | 1 |
 Kenny Rogers | Cast | Actor | Self - Special Guest Star | 1 |
 Kris Kristofferson | Cast | Actor | Self - Special Guest Star | 1 |
 Lena Horne | Cast | Actress | Self - Special Guest Star / Lola Bramswell | 1 |
 Leo Sayer | Cast | Actor | Self - Special Guest Star | 1 |
 Lesley Ann Warren | Cast | Actress | Self - Special Guest Star | 1 |
 Leslie Uggams | Cast | Actress | Self - Special Guest Star | 1 |
 Linda Lavin | Cast | Actress | Self - Special Guest Star | 1 |
 Linda Ronstadt | Cast | Actress | Self - Special Guest Star | 1 |
 Liza Minnelli | Cast | Actress | Self - Special Guest Star | 1 |
 Lorene Yarnell Jansson | Cast | Actress | Self - Special Guest Star | 1 |
 Loretta Lynn | Cast | Actress | Self - Special Guest Star | 1 |
 Loretta Swit | Cast | Actress | Self - Special Guest Star | 1 |
 Lou Rawls | Cast | Actor | Self - Special Guest Star | 1 |
 Louise Gold | Cast | Actress | Annie Sue Pig / Additional Muppets (voice) | 48 |
 Lynda Carter | Cast | Actress | Self - Special Guest Star | 1 |
 Lynn Redgrave | Cast | Actress | Self - Special Guest Star | 1 |
 Mac Davis | Cast | Actor | Self - Special Guest Star | 1 |
 Madeline Kahn | Cast | Actress | Self - Special Guest Star | 1 |
 Marisa Berenson | Cast | Actress | Self - Special Guest Star | 1 |
 Mark Hamill | Cast | Actor | Self - Special Guest Star / Luke Skywalker | 1 |
 Marty Feldman | Cast | Actor | Self - Special Guest Star | 1 |
Melissa Manchester | Cast | Actress | Self - Special Guest Star | 1 |
 Milton Berle | Cast | Actor | Self - Special Guest Star | 1 |
 Nancy Walker | Cast | Actress | Self - Special Guest Star | 1 |
 Paul Simon | Cast | Actor | Self - Special Guest Star | 1 |
 Paul Williams | Cast | Actor | Self - Special Guest Star / Arnold Stockman | 1 |
 Pearl Bailey | Cast | Actress | Self - Special Guest Star | 1 |
 Peter Friedman | Cast | Actor | Pa (voice) | 1 |
 Peter Mayhew | Cast | Actor | Chewbacca | 1 |
 Peter Sellers | Cast | Actor | Self - Special Guest Star | 1 |
 Peter Ustinov | Cast | Actor | Self - Special Guest Star / Dr. Felix Ogelbaum | 1 |
 Petula Clark | Cast | Actress | Self - Special Guest Star | 1 |
 Phyllis Diller | Cast | Actress | Self - Special Guest Star | 1 |
 Phyllis George | Cast | Actress | Self - Special Guest Star | 1 |
 Raquel Welch | Cast | Actress | Self - Special Guest Star | 1 |
 Rich Little | Cast | Actor | Self - Special Guest Star | 1 |
 Richard Hunt | Cast | Actor | Statler, Scooter / Janice / Beaker / Wayne / Sweetums (voice) | 120 |
 Rita Coolidge | Cast | Actress | Self - Special Guest Star | 1 |
 Rita Moreno | Cast | Actress | Self - Special Guest Star | 1 |
 Robert Shields | Cast | Actor | Self - Special Guest Star | 1 |
 Roger Moore | Cast | Actor | Self - Special Guest Star | 1 |
 Roy Clark | Cast | Actor | Self - Special Guest Star | 1 |
 Roy Rogers | Cast | Actor | Self - Special Guest Star | 1 |
 Rudolf Nureyev | Cast | Actor | Self - Special Guest Star | 1 |
 Ruth Buzzi | Cast | Actress | Self - Special Guest Star | 1 |
 Sandy Duncan | Cast | Actress | Self - Special Guest Star | 1 |
Señor Wences | Cast | Actor | Self - Special Guest Star | 1 |
 Shirley Bassey | Cast | Actress | Self - Special Guest Star | 1 |
 Spike Milligan | Cast | Actor | Self - Special Guest Star | 1 |
 Steve Martin | Cast | Actor | Self - Special Guest Star | 1 |
 Steve Whitmire | Cast | Actor | Additional Muppets (voice) | 48 |
 Sylvester Stallone | Cast | Actor | Sylvester Stallone - Special Guest Star | 1 |
 Tony Randall | Cast | Actor | Self - Special Guest Star | 1 |
 Twiggy | Cast | Actress | Self - Special Guest Star / Lola Thomas | 1 |
 Valerie Harper | Cast | Actress | Self - Special Guest Star | 1 |
 Victor Borge | Cast | Actor | Self - Special Guest Star | 1 |
 Vincent Price | Cast | Actor | Self - Special Guest Star | 1 |
 Wally Boag | Cast | Actor | Self - Special Guest Star | 1 |
 Zero Mostel | Cast | Actor | Self - Special Guest Star | 1 |
Bruce Schwartz | Cast | Guest Puppeteer | 24 | |
 Roger Miller | Cast | Actor | Self - Special Guest Star | 1 |
 Liberace | Cast | Actor | Self - Special Guest Star | 1 |
 Lola Falana | Cast | Actress | Self - Special Guest Star | 1 |
 Teresa Brewer | Cast | Actress | Self - Special Guest Star | 1 |
 Mummenschanz | Cast | Self - Special Guest Star | 1 | |
 Jean-Pierre Rampal | Cast | Actor | Self - Special Guest Star | 1 |
| Person | Type | Job | Role(s) | Episodes |
