Julie Andrews

Credits include: Shrek 2, Shrek the Third, Despicable Me, The Sound of Music and Mary Poppins

Frank Oz (born Richard Frank Oznowicz); is a British-born American film director, actor, voice actor and puppeteer who is known for creating and performing the characters Miss Piggy and Fozzie Bear in The Muppet Show and for directing films including the 1986 Little Shop Of Horrors remake and Dirty Rotten Scoundrels. He is also the operator and voice of Yoda in the Star Wars series... (Wikipedia)

James Maury "Jim" Henson was an American puppeteer best known as the creator of The Muppets. As a puppeteer, Henson performed in various television programs, such as Sesame Street and The Muppet Show, films such as The Muppet Movie and The Great Muppet Caper, and creator of advanced puppets for projects like Fraggle Rock, The Dark Crystal, and Labyrinth. He was also an Oscar-nominated film director, Emmy Award-winning television producer, and the founder of The Jim Henson Company... (Wikipedia)

Credits include: The Dark Crystal, The Muppets, The Muppet Christmas Carol, The Muppet Movie and Muppet Treasure Island

Credits include: The Dark Crystal, Spitting Image, Billy the Kid and the Green Baize Vampire, The Secret Life of Toys and Cleo Laine

Credits include: The Muppet Christmas Carol, The Muppet Movie, Muppet Treasure Island, The Muppets Take Manhattan and The Great Muppet Caper

Credits include: The Muppet Movie, The Muppets Take Manhattan, The Great Muppet Caper, The Muppet Show and Sesame Street Presents: Follow that Bird

Credits include: The Muppet Show, A Muppet Family Christmas, The Jim Henson Hour, Charles Aznavour and Juliet Prowse

Credits include: The Muppet Christmas Carol, The Muppet Movie, Muppet Treasure Island, Muppets from Space and The Muppet Show

Credits include: Christmas Eve on Sesame Street, Big Bird in China, Madeline Kahn, Cleo Laine and Julie Andrews

Credits include: Cleo Laine and Julie Andrews

Credits include: Julie Andrews