Steve Martin

Stephen Glenn "Steve" Martin is an American actor, comedian, writer, playwright, producer, musician and composer. Martin was born in Waco, Texas, and raised in Southern California, where his early influences were working at Disneyland and Knott's Berry Farm and working magic and comedy acts at these and other smaller venues in the area. His ascent to fame picked up when he became a writer for the Smothers Brothers Comedy Hour, and later became a frequent guest on The Tonight Show..(Wikipedia)

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)

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