Potential guest stars/Potential Cast or cameos

TV

Sesame Street

Season 2 (1970-1971)

Gumby
The Alvin Show
Speed Racer
Lucille Ball
Diahann Caroll
Andy Williams
The Smothers Brothers
Javas, Mahna Mahna, the Snowths, Sclrap Flyapp aliens, Business/Brotherhood creatures, Ostrich Feathers, proto-Cookie Monster, and Talking Machine

Season 3 (1971-1972)

The Doodletown Pipers
The Kids of the Kingdom
The Osmond Brothers
Rowlf, Beautiful Day Monster, Grump, Rufus, Baskerville, Thog, Lothar, and assorted Frackles (Snickery, Scoff, the green buzzard Frackle, Snivelly, Snarl, a Snake Frackle, and Miss Kitty)

Season 4 (1972-1973)

The Brady Kids (animated)
Rowlf, Thog, Lenny the Lizard, Gorgon Heap, Zelda Rose-lookalike Muppet, and Flower-Eating Monster
Pamelyn Ferdin
Greg Brady (Barry Williams), Marcia Brady (Maureen McCormick), Peter Brady (Christopher Knight), Jan Brady (Eve Plumb), Bobby Brady (Michael Lookinland), and Cindy Brady (Susan Olsen)

Season 5 (1973-1974)

Joel Grey
Vincent Price
Charles Aznavour
Partridge Kids Laurie (Susan Dey), Danny (Danny Bonaduce), Chris (Brian Forster), and Tracy (Suzanne Crough)

Season 6 (1974-1975)
 

Road Runner, Wile E. Coyote, and Bugs Bunny
Florence Henderson
Hal Linden

Season 7 (1975-1976)
 

Ruth Buzzi
Marty Feldman
Buddy Rich

Season 8 (1976-1977)

Yvonne Elliman
Brian Tochi
Muppet characters from "The Muppet Show" (including Miss Piggy, Fozzie Bear, Gonzo, Scooter, Animal, Hilda, George the Janitor, Mildred Huxtetter, Wayne and Wanda, Uncle Deadly, Muppy, and Sweetums—plus some Whatnots, two generic pigs, Janice, Trumpet Lady, Nigel, Zoot, Floyd Pepper, a Blue Frackle, a Green Frackle, Thog, and Timmy Monster)

Season 9 (1977-1978)

Twiggy
Richard Bradshaw's shadow puppets
Señor Wences with Johnny, Pedro, and Cecilia
Edgar Bergen with Charlie McCarthy, Mortimer Snerd, and Effie Klinker
Dom DeLuise
Cloris Leachman
Muppet characters from "The Muppet Show" (including Miss Piggy, Gonzo, Rowlf, and Scooter—plus Sweetums, Thog, Timmy Monster, Doglion, Mean Mama, Luncheon Counter Monster, Miss Mousey, Zelda Rose, Nigel, Baskerville, Droop, Afghan Hound, Mahna Mahna, a Blue Frackle, a Green Frackle, some Whatnots, two chickens, and three generic pigs)
Raydio

Season 10 (1978-1979)

Avery Schreiber
Dudley Moore
Roger Miller

Season 11 (1979-1980)

Mark Hamill
Steve Martin
Brooke Shields
Raquel Welch

Season 12 (1980-1981)

Shields and Yarnell
Nine of the thirty-one original (now grown-up) Mouseketeers (Annette Funicello, Bobby Burgess, Darlene Gillespie, Tommy Cole, Sherry Alberoni, Lonnie Burr, Sharon Baird, Cubby O'Brien, and Karen Pendleton)
Robin Gibb
Don Knotts
Heathcliff
Scooby-Doo, Scrappy-Doo, and Shaggy

Season 13 (1981-1982)

Nancy Walker
Dom DeLuise
John Denver
Melissa Manchester

Season 14 (1982-1983)

Bette Midler
Mac Davis
"The Dark Crystal"

Season 15 (1983-1984)

Puppet characters from "The Great Space Coaster"
Teen Titans Wonder Girl, Kid Flash, Cyborg, Beast Boy (then named Changeling), Starfire, Raven, and The Protector (animated)
Joel Grey
Jim Nabors
Alice Cooper

Season 16 (1984-1985)

Sandy Duncan
Rich Little
Leslie Uggams
Kenny Rogers
Scooter

Season 17 (1985-1986)

Dave Coulier
Inspector Gadget, Penny, and Brain
Mr. T and friends (animated)

Season 18 (1986-1987)

Gladys Knight and the Pips

Season 19 (1987-1988)

Dom DeLuise

Season 20 (1988-1989)

Superman and Wonder Woman (animated by Ruby-Spears)
Grandpa Munster (Al Lewis), Maxwell Smart (Don Adams), Gilligan (Bob Denver), Ward and June Cleaver (Hugh Beaumont and Barbara Billingsley), and Jed Clampett (Buddy Ebsen)
Muppet characters from "The Muppet Show" and mostly "The Jim Henson Hour" (mainly Gonzo, Statler, Sweetums, Leon, and Digit)
Brady Bunch cast (Barry Williams, Christopher Knight, Michael Lookinland, Maureen McCormick, Eve Plumb, Susan Olsen, Robert Reed, Florence Henderson, and Ann B. Davis)

Season 22 (1990-1991)

Teenage Mutant Ninja Turtles (+ April O'Neil and Splinter) (animated)
Angela Lansbury
Ashley Johnson
Cree Summer

Season 23 (1991-1992)

Natalie Cole
Captain Planet and the Planeteers (animated)

Season 24 (1992-1993)

Tom Hanks

Season 25 (1993-1994)

Sigourney Weaver
Muppet Characters from "The Muppet Show" and later Muppet appearances including Kermit, Miss Piggy, The Great Gonzo, Rizzo, Statler and Waldorf, Fletcherbird, Sweetums, Doglion, the Bossmen, the Clodhoppers, rats, chickens, penguins, and assorted Muppet monsters (including Luncheon Counter Monster, Brool Minstrel, and Aretha)
The Muppet cast of Dog City (including Elliot Shag, Artie Springer, Terri Springer, Bruno, Bowser, and Miss Fluffé)

Season 27 (1995-1996)

Kermit (as Captain Smollett), Gonzo, Rizzo, Clueless Morgan, Polly Lobster, Mad Monty, Angel Marie, Walleye Pike, Spotted Dick, Calico, Black Dog, Blind Pew, Old Tom, Real Old Tom, Dead Tom, Mudwell Mudbunny, Begoony, Jacques Roach, a Wolf, Mr. Bitte, Old Joe, Brool Minstrel, Murray Minstrel, Wander McMooch, an elderly gray Frackle, a teal haired monster, and a purple bearded monster to promote Muppet Treasure Island.

The Muppet Show 

Season 1

Judy Carne
Dusty Springfield
Lily Tomlin
Charo
Bob Denver
Martha Raye
Bobby Sherman
Gene Wilder
Roddy-Maude Roxby
Tennessee Ernie Ford
Eartha Kitt
Rip Taylor
Burl Ives
Hermione Gingold
Nipsey Russel
James Caan
Suzanne Pleshette
Peter Falk
Diahann Carroll
Barbara Eden
Rodney Dangerfield
Tony Bennett
Gina Lollobrigida
Joanne Worley
Marcel Marceau
Billy Joel

Season 2

Groucho Marx
Sebastian Cabot
Orson Welles
Sid Caesar
Tim Conway
Henry Gibson
Lee Remick
Jodie Foster
Carol Kane
Buddy Hackett
Jack Gilford
Kenneth Mars
Red Skelton
Shari Lewis
Tom Jones
Elizabeth Taylor
Marvin Gaye
Christopher Lee
Karen Valentine
Don Adams
Betty White
Lynn Anderson
Paul Lynde
ABBA

Season 3

Carly Simon
John Travolta
Harry Chapin
Frankie Valli
Barbra Streisand
Rick Springfield
Michael Palin
Chevy Chase
Flip Wilson
Johnny Rivers
Sally Struthers
Tom Selleck
Jose Feliciano
Yvonne Elliman
Danny DeVito
Suzanne Somers
Mel Brooks and Oscar the Grouch
Spider-Man (Nicholas Hammond) and The Incredible Hulk (Bill Bixby and Lou Ferrigno)
Leon Redbone
Raffi
John Ritter
Sherry Alberoni
Bob Newhart

Season 4

James Taylor
Betty Kennedy (the actress, not the Canadian journalist)
The Hudson Brothers
Davy Jones
Neil Diamond
Ed Asner
Donny and Marie Osmond
Dan Fogelberg
Pink Lady (Mie and Kei)
Chelsea Brown
Paul Davis
Tony Danza
Jose Carreras
Stephanie Mills
Andy Gibb
Farrah Fawcett
Adam West
Carole King
Robin Williams
Willie Tyler
Barry Manilow
Joan Rivers
Cher

Season 5

Joe Raposo
Elliot Gould
Teri Garr
Robert DeNiro
Dan Akroyd
Scott Baio
Henry Winkler
Bill McCutcheon
Maureen McCormick and Eve Plumb
George Harrison
Itzhak Perlman
Cat Stevens
Sammy Davis Jr.
Glen Campbell
Bette Midler
Jack Riley
Dionne Warwick
David Ogden Stiers
Jerry Orbach
Robert Reed
Andy Kaufman
Annette Funicello
Mick Jagger
Gunther Gebel-Williams
Richard Pryor
Kenny Loggins
Rex Harrison

Muppet Babies

Frank Welker as Baby Link Hogthrob and Baby Swedish Chef
Dave Coulier as Baby Rizzo

In Muppets Not Included: The Newsman, Pops, Crazy Harry, Sam Eagle, Marvin Suggs, Bobby Benson, Lew Zealand, Beauregard, Sweetums, Timmy Monster, Doglion, Behemoth, Mean Mama, Luncheon Counter Monster, Beautiful Day Monster, Flower-Eating Monster, Miss Kitty, Purple Lothar (Purple Lion), Flute-Snatcher (oldest puppet of the group), Pink Monster, Uncle Deadly, Green Furry Fleshy-Face Frackle, Jade Green Hunchback Frackle, Purple Elderly Frackle, Emerald Green Hunchback Frackle, Pink Frackle, Purple Frackle, Blue Frackle, Snake Frackle, Fish Fazoob, Bird Fazoob, Drum Fazoob, Cute/Trumpet Fazoob, Blue Phoob, Green Phoob, two Aliens, Boo Monster, Tug Monster, Molly Monster, Droop, Shaky Sanchez, Chickens, Penguins, Rats, Lobsters

The Jim Henson Hour

Weird Al Yankovic and Lynn Thigpen
Branford and Wynton Marsalis
Ronn Lucas
Fred Newman, Madonna, and John Moschitta, Jr
Cree Summer

Movies

The Muppet Movie

In the Rainbow Connection finale: Mr. Snuffleupagus, Barkley, Sam the Robot, Bruno the Trashman, Juan Toucan, Poco Loco, Camel (Sesame Street), Pink Yip-Yip, Blue Yip-Yip, Gladys the Cow, Fred the Wonder Horse, gray dog, gray horse, the Fazoobs, a pink girl monster, two Heaps, the Vile Bunch, Beakie, Flower-Eating Monster, the Snerfs, a deer, a goat, a walrus, Gawky Birds, Bossmen, and Clodhoppers

The Great Muppet Caper

Background Characters: Baskerville the Hound, Muppy, Lyle the dog, Afghan Hound, Wolfhound, Foo-Foo, a Mutt, a Spaniel, a French Poodle, George the Janitor, Mildred Huxtetter, Hilda, Marvin Suggs, Nigel, Zelda Rose, Miss Mousey, J.P. Grosse, Bobby Benson, some babies, Geri and the Atrics, Lenny the Lizard, Shaky Sanchez, Male and Female Koozebanians, Snowths, Fazoobs, Koozebanian Phoob (both green and blue versions), Svengali's Assistant, Uncle Deadly, Link Hogthrob, Dr. Julius Strangepork, Mulch, Angus McGonagle, Fletcher Bird, Doglion, Mean Mama, Beakie, Chopped Liver, Trevor the Gross, some members of the Vile Bunch, assorted generic pigs, assorted cows, assorted sheep, a goat, Old Skyball Paint, a bull, Butch (tiger), Sundance (lion), Catgut, Rover Joe, T.R., a turkey, a black rooster, a crocodile, Quongo, Sopwith the Camel, a walrus, two sharks, several fish, some lobsters, three octopuses, the Gills Brothers, the Fish Singer, assorted lizards and parrots, assorted birds (including Harvey, Clyde, Mel, Shirley, Duke, and Doris), some woodland creatures (including two raccoons, some prairie dogs, many weasels, two possums, a stoat, a muskrat, a skunk, a beaver, Harold (woodpecker), two snakes, some rabbits, some squirrels, a fox, a wolf, a deer, Mickey Moose, a Baby Bear, and Billy the Bear), many frogs (including Robin, Ms. Appleby, and Mr. Dawson), many penguins, many flowers, and assorted Whatnots

The Lion King 

(Before 1994)

1990

Matthew Broderick as Simba, 
Jonathan Taylor Thomas as young Simba,

Jason Weaver (Singing Voice)
Malcolm McDowell as Scar
James Earl Jones as Mufasa
Moira Kelly as Nala
Niketa Calame as young Nala
Martin Short as Timon
Bill Murray as Pumbaa
Robert Guillaume as Rafiki
Nathan Lane as Zazu
Madge Sinclair as Sarabi
Ernie Sabella as Hyena Leader
Zoe Leader as Sarafina

1991

Matthew Broderick as Simba, 
Jonathan Taylor Thomas as  young Simba,

Jason Weaver (Singing Voice)
Tim Curry as Scar
James Earl Jones as Mufasa
Moira Kelly as Nala
Niketa Calame as young Nala
Eddie Murphy as Timon
John Goodman as Pumbaa
Robert Guillaume as Rafiki
Dom DeLuise as Zazu
Madge Sinclair as Sarabi
Tommy Chong as Hyena Leader
Zoe Leader as Sarafina