"Jim Henson - Kermit the Frog, Rowlf the Dog, Dr. Teeth, The Swedish Chef, The Newsman, Waldorf, Ernie, Bobo the Bear, Lubbock Lou, Jim the Dog, Clyde, Baby Kermit and Baby Rowlf"

"Heather Henson - Beer hall serving girl"

"Joe Jamrog - Police officer in Central Park"

"Gary Tacon - Thief in Central Park"

"Graham Brown - Mr. Wrightson"

"Lonny Price - Ronnie Crawford"

"Juliana Donald - Jenny"

"Louis Zorich - Pete"

"Peter Ustinov - a Truck Driver"

"Jack Warden - Mike Tarkenian, the editor-in-chief of The Daily Chronicle."

"Robert Morley - a British Gentleman by Pond"

"Peter Falk - a Man in Park"

"John Cleese as Neville, a middle-aged British homeowner who lives with his wife Dorcas at 17 Highbrow Street."

"Caroll Spinney as Oscar the Grouch from Sesame Street"

"Louise Gold as Annie Sue Pig and Lou"

"Steve Whitmire - Robin the Frog, Rizzo the Rat, Baskerville the Hound, Boppity, Louis Kazagger, Statler, Timmy Monster, Lips and Zeke"

"Dave Goelz - The Great Gonzo, Beauregard, Zoot and Dr. Bunsen Honeydew"

"Richard Hunt - Scooter, Janice, Sweetums and Bubba"

"Jerry Nelson - Crazy Harry, Floyd Pepper, Pops, Lew Zealand and Slim Wilson"

"Frank Oz - Fozzie Bear, Miss Piggy, Animal, Sam the Eagle and Gramps"

"Jim Henson - Kermit the Frog, Sam, Harry the Hipster, Yorick, Beautiful Day Monster, Shakey Sanchez, Thog, Gloat, Rowlf the Dog, Dr. Teeth, Waldorf, The Swedish Chef, The Newsman and Lubbock Lou"

"Tommy Godfrey - a bus conductor (final film role)"

"Peggy Aitchison - a guard"

"Peter Hughes - Stanley"

"Michael Robbins - Henderson"

"Joan Sanderson - Dorcas"

"Della Finch - Darla"

"Kate Howard - Carla"

"Erica Creer - Marla"

"Diana Rigg - Lady Holiday"

"Charles Grodin - Nicky Holiday"

"Next time they want stunts, they get a double."

"[to Nicky] You! It was you! Kermit was right! You are bulking! You are talking! Yes, you are! And you know what, you can't even sing! Your voice was dubbed!"

"Jason Segel as Gary"

"Rashida Jones as Dolores the Trumpet Girl"

"Nathan Danforth as Mutation #1"

"Bruce Lanoil as Whatnot Hobo #3"

"Alice Dinnean as Wanda and Afghan Hound"

"Tyler Bunch as Thog, J.G. Frackle, Foozie, Whatnot Hobo #2 and Whatnot Reporter #2"

"Peter Linz as Walter, Droop, Snowth #2 and Mutation #2"

"Matt Vogel as Floyd Pepper, Camilla the Chicken, Sweetums, '80s Robot, Lew Zealand, Uncle Deadly, Crazy Harry, Dr. Julius Strangepork, Snowth #1, Janooce and Roowlf"

"David Rudman as Scooter, Janice, Miss Poogy, Wayne and Bobby Benson"

"Bill Barretta as The Swedish Chef, Rowlf the Dog, Dr. Teeth, Pepe the King Prawn, Bobo the Bear, Beautiful Day Monster, Big Mean Carl, Mahna Mahna, Behemoth, Muppet Gary, Whatnot Hobo #1 and Whatnot Farmer (deleted scenes only)"

"Dave Goelz as Gonzo the Great, Dr. Bunsen Honeydew, Zoot, Beauregard, Waldorf, Kermoot and Whatnot Reporter #1"

"Eric Jacobson as Miss Piggy, Fozzie Bear, Animal, Sam the Eagle and Marvin Suggs"

"Steve Whitmire as Kermit the Frog, Beaker, Statler, Rizzo the Rat, Link Hogthrob, The Muppet Newsman and Lips"

"Rashida Jones as Veronica Martin (credited as C.D.A. Executive)"

"Chris Cooper as Tex Richman"

"Amy Adams as Mary"

"Skylar Astin - Jesse Swanson"